113113044212 has 48 divisors (see below), whose sum is σ = 237760481280. Its totient is φ = 46035693792.

The previous prime is 113113044169. The next prime is 113113044241. The reversal of 113113044212 is 212440311311.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 542288 + ... + 721319.

It is an arithmetic number, because the mean of its divisors is an integer number (4953343360).

Almost surely, 2^113113044212 is an apocalyptic number.

It is an amenable number.

113113044212 is an abundant number, since it is smaller than the sum of its proper divisors (124647437068).

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

113113044212 is a wasteful number, since it uses less digits than its factorization.

113113044212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263780 (or 1263778 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 113113044212 its reverse (212440311311), we get a palindrome (325553355523).

The spelling of 113113044212 in words is "one hundred thirteen billion, one hundred thirteen million, forty-four thousand, two hundred twelve".