113212023312 has 40 divisors (see below), whose sum is σ = 301898732800. Its totient is φ = 36520007040.

The previous prime is 113212023299. The next prime is 113212023319. The reversal of 113212023312 is 213320212311.

It is not an unprimeable number, because it can be changed into a prime (113212023319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38040187 + ... + 38043162.

It is an arithmetic number, because the mean of its divisors is an integer number (7547468320).

Almost surely, 2^113212023312 is an apocalyptic number.

113212023312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113212023312 is an abundant number, since it is smaller than the sum of its proper divisors (188686709488).

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

113212023312 is a wasteful number, since it uses less digits than its factorization.

113212023312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76083391 (or 76083385 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 113212023312 its reverse (213320212311), we get a palindrome (326532235623).

The spelling of 113212023312 in words is "one hundred thirteen billion, two hundred twelve million, twenty-three thousand, three hundred twelve".