113020012 has 48 divisors (see below), whose sum is σ = 240468480. Its totient is φ = 45372672.

The previous prime is 113019997. The next prime is 113020013. The reversal of 113020012 is 210020311.

It is a super-2 number, since 2×113020012² = 25547046224960288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113020013) 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, 134289 + ... + 135127.

It is an arithmetic number, because the mean of its divisors is an integer number (5009760).

Almost surely, 2^113020012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113020012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120234240).

113020012 is an abundant number, since it is smaller than the sum of its proper divisors (127448468).

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

113020012 is a wasteful number, since it uses less digits than its factorization.

113020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 113020012 is about 10631.0870563645. The cubic root of 113020012 is about 483.4873507840.

Adding to 113020012 its reverse (210020311), we get a palindrome (323040323).

The spelling of 113020012 in words is "one hundred thirteen million, twenty thousand, twelve".