13031000012 has 12 divisors (see below), whose sum is σ = 23590603680. Its totient is φ = 6290827536.

The previous prime is 13030999997. The next prime is 13031000051. The reversal of 13031000012 is 21000013031.

It is a super-2 number, since 2×13031000012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13030999957 and 13031000002.

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, 56167988 + ... + 56168219.

It is an arithmetic number, because the mean of its divisors is an integer number (1965883640).

Almost surely, 2^13031000012 is an apocalyptic number.

It is an amenable number.

13031000012 is a deficient number, since it is larger than the sum of its proper divisors (10559603668).

13031000012 is a wasteful number, since it uses less digits than its factorization.

13031000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112336240 (or 112336238 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 13031000012 its reverse (21000013031), we get a palindrome (34031013043).

The spelling of 13031000012 in words is "thirteen billion, thirty-one million, twelve", and thus it is an aban number and an uban number.