113118012 has 48 divisors (see below), whose sum is σ = 335166720. Its totient is φ = 32319216.

The previous prime is 113118007. The next prime is 113118041. The reversal of 113118012 is 210811311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 74058 + ... + 75569.

It is an arithmetic number, because the mean of its divisors is an integer number (6982640).

Almost surely, 2^113118012 is an apocalyptic number.

113118012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113118012 is an abundant number, since it is smaller than the sum of its proper divisors (222048708).

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

113118012 is a wasteful number, since it uses less digits than its factorization.

113118012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149647 (or 149639 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 113118012 is about 10635.6951817923. The cubic root of 113118012 is about 483.6270548687.

Adding to 113118012 its reverse (210811311), we get a palindrome (323929323).

The spelling of 113118012 in words is "one hundred thirteen million, one hundred eighteen thousand, twelve".