113133212 has 24 divisors (see below), whose sum is σ = 200390400. Its totient is φ = 55883376.

The previous prime is 113133203. The next prime is 113133253. The reversal of 113133212 is 212331311.

It is a congruent number.

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, 156989 + ... + 157707.

It is an arithmetic number, because the mean of its divisors is an integer number (8349600).

Almost surely, 2^113133212 is an apocalyptic number.

It is an amenable number.

113133212 is a deficient number, since it is larger than the sum of its proper divisors (87257188).

113133212 is a wasteful number, since it uses less digits than its factorization.

113133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1143 counting only the distinct ones).

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

The square root of 113133212 is about 10636.4097326118. The cubic root of 113133212 is about 483.6487160285.

Adding to 113133212 its reverse (212331311), we get a palindrome (325464523).

It can be divided in two parts, 1131 and 33212, that added together give a palindrome (34343).

The spelling of 113133212 in words is "one hundred thirteen million, one hundred thirty-three thousand, two hundred twelve".