113331212 has 24 divisors (see below), whose sum is σ = 210470400. Its totient is φ = 53280656.

The previous prime is 113331161. The next prime is 113331247. The reversal of 113331212 is 212133311.

It is a super-2 number, since 2×113331212² = 25687927226777888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5012 + ... + 15867.

It is an arithmetic number, because the mean of its divisors is an integer number (8769600).

Almost surely, 2^113331212 is an apocalyptic number.

It is an amenable number.

113331212 is a deficient number, since it is larger than the sum of its proper divisors (97139188).

113331212 is a wasteful number, since it uses less digits than its factorization.

113331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20965 (or 20963 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 113331212 is about 10645.7133156966. The cubic root of 113331212 is about 483.9307040559.

Adding to 113331212 its reverse (212133311), we get a palindrome (325464523).

The spelling of 113331212 in words is "one hundred thirteen million, three hundred thirty-one thousand, two hundred twelve".