It's gonna be a part by part comparison. Parts for your 2012 shouldn't be hard to get.

 

I mean which model years of corollas can I use on a 2012, can i put 2006 corolla parts in a 2012 corolla?

 

2009-2013.

 

Nothing past 2013, before 2009? Can I get a 2006 corolla strut mount and put in a 2012?

 

Just get 2013. Not sure if there were design changes. But the older generation is different.