113040012 has 24 divisors (see below), whose sum is σ = 272269312. Its totient is φ = 36464400.

The previous prime is 113040007. The next prime is 113040019. The reversal of 113040012 is 210040311.

It is a happy number.

It is a super-3 number, since 3×113040012³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 113040012.

It is not an unprimeable number, because it can be changed into a prime (113040019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151564 + ... + 152307.

Almost surely, 2^113040012 is an apocalyptic number.

113040012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113040012 is an abundant number, since it is smaller than the sum of its proper divisors (159229300).

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

113040012 is a wasteful number, since it uses less digits than its factorization.

113040012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303909 (or 303907 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 113040012 is about 10632.0276523342. The cubic root of 113040012 is about 483.5158683787.

Adding to 113040012 its reverse (210040311), we get a palindrome (323080323).

The spelling of 113040012 in words is "one hundred thirteen million, forty thousand, twelve".