13120133312 has 56 divisors (see below), whose sum is σ = 30586905552. Its totient is φ = 5504947200.

The previous prime is 13120133309. The next prime is 13120133321. The reversal of 13120133312 is 21333102131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707639 + ... + 725942.

It is an arithmetic number, because the mean of its divisors is an integer number (546194742).

Almost surely, 2^13120133312 is an apocalyptic number.

It is an amenable number.

13120133312 is an abundant number, since it is smaller than the sum of its proper divisors (17466772240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13120133312 is a wasteful number, since it uses less digits than its factorization.

13120133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433617 (or 1433607 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13120133312 its reverse (21333102131), we get a palindrome (34453235443).

The spelling of 13120133312 in words is "thirteen billion, one hundred twenty million, one hundred thirty-three thousand, three hundred twelve".