113200012120 has 64 divisors (see below), whose sum is σ = 274373406720. Its totient is φ = 41784574464.

The previous prime is 113200012091. The next prime is 113200012127. The reversal of 113200012120 is 21210002311.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 113200012120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113200012127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1832782 + ... + 1893538.

It is an arithmetic number, because the mean of its divisors is an integer number (4287084480).

Almost surely, 2^113200012120 is an apocalyptic number.

113200012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113200012120 is an abundant number, since it is smaller than the sum of its proper divisors (161173394600).

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

113200012120 is a wasteful number, since it uses less digits than its factorization.

113200012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64364 (or 64360 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 113200012120 its reverse (21210002311), we get a palindrome (134410014431).

The spelling of 113200012120 in words is "one hundred thirteen billion, two hundred million, twelve thousand, one hundred twenty".