113520012 has 48 divisors (see below), whose sum is σ = 272025600. Its totient is φ = 36832320.

The previous prime is 113519977. The next prime is 113520031. The reversal of 113520012 is 210025311.

It is a junction number, because it is equal to n+sod(n) for n = 113519973 and 113520000.

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, 76437 + ... + 77907.

It is an arithmetic number, because the mean of its divisors is an integer number (5667200).

Almost surely, 2^113520012 is an apocalyptic number.

113520012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113520012 is an abundant number, since it is smaller than the sum of its proper divisors (158505588).

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

113520012 is a wasteful number, since it uses less digits than its factorization.

113520012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 113520012 is about 10654.5770446320. The cubic root of 113520012 is about 484.1992838707.

Adding to 113520012 its reverse (210025311), we get a palindrome (323545323).

The spelling of 113520012 in words is "one hundred thirteen million, five hundred twenty thousand, twelve".