It is known that the nine-digit number 2007□12□2 is not only a multiple of 9, but also a multiple of 11; then, this nine-digit number is: how much.
已知九位数2007□12□2既是9的倍数，又是11的倍数；那么，这个九位数是：多少．
<result>200_731_212</result>