13120023312 has 60 divisors (see below), whose sum is σ = 40055833584. Its totient is φ = 3975764160.

The previous prime is 13120023283. The next prime is 13120023337. The reversal of 13120023312 is 21332002131.

13120023312 is a `hidden beast` number, since 131 + 200 + 2 + 331 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4139838 + ... + 4143005.

Almost surely, 2^13120023312 is an apocalyptic number.

13120023312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13120023312 is an abundant number, since it is smaller than the sum of its proper divisors (26935810272).

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

13120023312 is a wasteful number, since it uses less digits than its factorization.

13120023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282868 (or 8282859 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13120023312 its reverse (21332002131), we get a palindrome (34452025443).

The spelling of 13120023312 in words is "thirteen billion, one hundred twenty million, twenty-three thousand, three hundred twelve".