331213000012 has 6 divisors (see below), whose sum is σ = 579622750028. Its totient is φ = 165606500004.

The previous prime is 331213000007. The next prime is 331213000031. The reversal of 331213000012 is 210000312133.

It is a super-2 number, since 2×331213000012² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331213000012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41401624998 + ... + 41401625005.

Almost surely, 2^331213000012 is an apocalyptic number.

It is an amenable number.

331213000012 is a deficient number, since it is larger than the sum of its proper divisors (248409750016).

331213000012 is a wasteful number, since it uses less digits than its factorization.

331213000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82803250007 (or 82803250005 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 331213000012 its reverse (210000312133), we get a palindrome (541213312145).

The spelling of 331213000012 in words is "three hundred thirty-one billion, two hundred thirteen million, twelve", and thus it is an aban number.