113013220012 has 96 divisors (see below), whose sum is σ = 252048900096. Its totient is φ = 43055227200.

The previous prime is 113013219997. The next prime is 113013220051. The reversal of 113013220012 is 210022310311.

It is a super-3 number, since 3×113013220012³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19785837 + ... + 19791547.

It is an arithmetic number, because the mean of its divisors is an integer number (2625509376).

Almost surely, 2^113013220012 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 113013220012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126024450048).

113013220012 is an abundant number, since it is smaller than the sum of its proper divisors (139035680084).

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

113013220012 is a wasteful number, since it uses less digits than its factorization.

113013220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7147 (or 7145 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 113013220012 its reverse (210022310311), we get a palindrome (323035530323).

The spelling of 113013220012 in words is "one hundred thirteen billion, thirteen million, two hundred twenty thousand, twelve".