113205212 has 12 divisors (see below), whose sum is σ = 204940680. Its totient is φ = 54650736.

The previous prime is 113205199. The next prime is 113205221. The reversal of 113205212 is 212502311.

It is a happy number.

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, 487838 + ... + 488069.

It is an arithmetic number, because the mean of its divisors is an integer number (17078390).

Almost surely, 2^113205212 is an apocalyptic number.

It is an amenable number.

113205212 is a deficient number, since it is larger than the sum of its proper divisors (91735468).

113205212 is a wasteful number, since it uses less digits than its factorization.

113205212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975940 (or 975938 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 113205212 is about 10639.7937949943. The cubic root of 113205212 is about 483.7512951689.

Adding to 113205212 its reverse (212502311), we get a palindrome (325707523).

The spelling of 113205212 in words is "one hundred thirteen million, two hundred five thousand, two hundred twelve".