113012002120 has 16 divisors (see below), whose sum is σ = 254277004860. Its totient is φ = 45204800832.

The previous prime is 113012002099. The next prime is 113012002141. The reversal of 113012002120 is 21200210311.

It is an interprime number because it is at equal distance from previous prime (113012002099) and next prime (113012002141).

It can be written as a sum of positive squares in 2 ways, for example, as 106593108196 + 6418893924 = 326486^2 + 80118^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113012002120.

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 3 ways as a sum of consecutive naturals, for example, 1412649987 + ... + 1412650066.

Almost surely, 2^113012002120 is an apocalyptic number.

113012002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113012002120 is an abundant number, since it is smaller than the sum of its proper divisors (141265002740).

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

113012002120 is a wasteful number, since it uses less digits than its factorization.

113012002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825300064 (or 2825300060 counting only the distinct ones).

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

Adding to 113012002120 its reverse (21200210311), we get a palindrome (134212212431).

The spelling of 113012002120 in words is "one hundred thirteen billion, twelve million, two thousand, one hundred twenty".