My property was auctioned on a foreclosure sale on 11/28/12, if I file for a bankruptcy, can I reverse the sale?

You do not own the house any more. Normally bankruptcy cannot bring the house back into your estate. You can talk to a competent bankruptcy attorney to determine your rights and options. Please understand that filing for bankruptcy is a very complicated process. It is wise to talk to an experienced bankruptcy attorney before deciding to take this important step. Most Arizona bankruptcy attorneys offer a free consultation about the basics of bankruptcy.

No, unfortunately any attempts to stop the sale have to be undertaken prior to the sale. If the bank bought the property at sale, you could call them and explain the situation and ask for a rescission.

It is possible. Most foreclosure sales are performed on the first Tuesday of every month so it is unlikely it was a foreclosure sale unless it was judicially mandated. However, filing a bankruptcy will temporarily prevent creditors from moving forward with any additional collection activity until the automatic stay is lifted. During this time it may be possible to file an adversary attacking the foreclosure sale IF there were errors in the foreclosure sale itself.