Obviously d12 is top, d20 second.
If I could downvote then it would be the d10. It's not even a platonic solid! It's an interloper, a cheater, a crutch that we don't need.
Back when I was alive we had a die with 20 faces numbered 0 to 9, twice. It might be that one set of 0 to 9 had a little +...