12031211210012 has 12 divisors (see below), whose sum is σ = 21411477577560. Its totient is φ = 5913646187856.

The previous prime is 12031211209987. The next prime is 12031211210069. The reversal of 12031211210012 is 21001211213021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25489854023 + ... + 25489854494.

It is an arithmetic number, because the mean of its divisors is an integer number (1784289798130).

Almost surely, 2^{12031211210012} is an apocalyptic number.

It is an amenable number.

12031211210012 is a deficient number, since it is larger than the sum of its proper divisors (9380266367548).

12031211210012 is a wasteful number, since it uses less digits than its factorization.

12031211210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50979708580 (or 50979708578 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12031211210012 its reverse (21001211213021), we get a palindrome (33032422423033).

The spelling of 12031211210012 in words is "twelve trillion, thirty-one billion, two hundred eleven million, two hundred ten thousand, twelve".