13531202112 has 28 divisors (see below), whose sum is σ = 35801306096. Its totient is φ = 4510400640.

The previous prime is 13531202057. The next prime is 13531202123. The reversal of 13531202112 is 21120213531.

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, 35237314 + ... + 35237697.

Almost surely, 2^13531202112 is an apocalyptic number.

13531202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13531202112 is an abundant number, since it is smaller than the sum of its proper divisors (22270103984).

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

13531202112 is an equidigital number, since it uses as much as digits as its factorization.

13531202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70475026 (or 70475016 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 13531202112 its reverse (21120213531), we get a palindrome (34651415643).

The spelling of 13531202112 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, one hundred twelve".