13120331012 has 48 divisors (see below), whose sum is σ = 23735073600. Its totient is φ = 6343636992.

The previous prime is 13120330987. The next prime is 13120331023. The reversal of 13120331012 is 21013302131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3238364 + ... + 3242412.

It is an arithmetic number, because the mean of its divisors is an integer number (494480700).

Almost surely, 2^13120331012 is an apocalyptic number.

It is an amenable number.

13120331012 is a deficient number, since it is larger than the sum of its proper divisors (10614742588).

13120331012 is a wasteful number, since it uses less digits than its factorization.

13120331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340 (or 4338 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13120331012 its reverse (21013302131), we get a palindrome (34133633143).

The spelling of 13120331012 in words is "thirteen billion, one hundred twenty million, three hundred thirty-one thousand, twelve".