113012112 has 80 divisors (see below), whose sum is σ = 307266048. Its totient is φ = 35742720.

The previous prime is 113012099. The next prime is 113012117. The reversal of 113012112 is 211210311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (113012117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78148 + ... + 79580.

Almost surely, 2^113012112 is an apocalyptic number.

113012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113012112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153633024).

113012112 is an abundant number, since it is smaller than the sum of its proper divisors (194253936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113012112 is a wasteful number, since it uses less digits than its factorization.

113012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 113012112 is about 10630.7154980274. The cubic root of 113012112 is about 483.4760854071.

Adding to 113012112 its reverse (211210311), we get a palindrome (324222423).

The spelling of 113012112 in words is "one hundred thirteen million, twelve thousand, one hundred twelve".