113204212 has 30 divisors (see below), whose sum is σ = 218029490. Its totient is φ = 51429840.

The previous prime is 113204209. The next prime is 113204233. The reversal of 113204212 is 212402311.

It can be written as a sum of positive squares in only one way, i.e., 103306896 + 9897316 = 10164^2 + 3146^2 .

It is a super-2 number, since 2×113204212² = 25630387229081888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57598 + ... + 59530.

Almost surely, 2^113204212 is an apocalyptic number.

It is an amenable number.

113204212 is a deficient number, since it is larger than the sum of its proper divisors (104825278).

113204212 is an equidigital number, since it uses as much as digits as its factorization.

113204212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 113204212 is about 10639.7468014986. The cubic root of 113204212 is about 483.7498707565.

Adding to 113204212 its reverse (212402311), we get a palindrome (325606523).

The spelling of 113204212 in words is "one hundred thirteen million, two hundred four thousand, two hundred twelve".