113112212 has 12 divisors (see below), whose sum is σ = 199458336. Its totient is φ = 56124120.

The previous prime is 113112199. The next prime is 113112283. The reversal of 113112212 is 212211311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107408 + ... + 108455.

It is an arithmetic number, because the mean of its divisors is an integer number (16621528).

Almost surely, 2^113112212 is an apocalyptic number.

It is an amenable number.

113112212 is a deficient number, since it is larger than the sum of its proper divisors (86346124).

113112212 is a wasteful number, since it uses less digits than its factorization.

113112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215998 (or 215996 counting only the distinct ones).

The product of its digits is 24, while the sum is 14.

The square root of 113112212 is about 10635.4225115883. The cubic root of 113112212 is about 483.6187889147.

Adding to 113112212 its reverse (212211311), we get a palindrome (325323523).

Subtracting 113112212 from its reverse (212211311), we obtain a palindrome (99099099).

The spelling of 113112212 in words is "one hundred thirteen million, one hundred twelve thousand, two hundred twelve".