113012212112 has 20 divisors (see below), whose sum is σ = 219048718080. Its totient is φ = 56483510688.

The previous prime is 113012212091. The next prime is 113012212127. The reversal of 113012212112 is 211212210311.

It is a happy 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, 1370912 + ... + 1451007.

It is an arithmetic number, because the mean of its divisors is an integer number (10952435904).

Almost surely, 2^113012212112 is an apocalyptic number.

It is an amenable number.

113012212112 is a deficient number, since it is larger than the sum of its proper divisors (106036505968).

113012212112 is a wasteful number, since it uses less digits than its factorization.

113012212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824430 (or 2824424 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 113012212112 its reverse (211212210311), we get a palindrome (324224422423).

The spelling of 113012212112 in words is "one hundred thirteen billion, twelve million, two hundred twelve thousand, one hundred twelve".