113012212 has 6 divisors (see below), whose sum is σ = 197771378. Its totient is φ = 56506104.

The previous prime is 113012201. The next prime is 113012231. The reversal of 113012212 is 212210311.

It can be written as a sum of positive squares in only one way, i.e., 112656996 + 355216 = 10614^2 + 596^2 .

It is a super-2 number, since 2×113012212² = 25543520122265888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113012192 and 113012201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14126523 + ... + 14126530.

Almost surely, 2^113012212 is an apocalyptic number.

It is an amenable number.

113012212 is a deficient number, since it is larger than the sum of its proper divisors (84759166).

113012212 is a wasteful number, since it uses less digits than its factorization.

113012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28253057 (or 28253055 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 113012212 is about 10630.7202013786. The cubic root of 113012212 is about 483.4762280101.

Adding to 113012212 its reverse (212210311), we get a palindrome (325222523).

The spelling of 113012212 in words is "one hundred thirteen million, twelve thousand, two hundred twelve".