113311020012 has 48 divisors (see below), whose sum is σ = 266558423040. Its totient is φ = 37461094272.

The previous prime is 113311020007. The next prime is 113311020029. The reversal of 113311020012 is 210020113311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 113311019973 and 113311020000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5734093 + ... + 5753819.

It is an arithmetic number, because the mean of its divisors is an integer number (5553300480).

Almost surely, 2^113311020012 is an apocalyptic number.

113311020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113311020012 is an abundant number, since it is smaller than the sum of its proper divisors (153247403028).

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

113311020012 is a wasteful number, since it uses less digits than its factorization.

113311020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23630 (or 23628 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113311020012 its reverse (210020113311), we get a palindrome (323331133323).

The spelling of 113311020012 in words is "one hundred thirteen billion, three hundred eleven million, twenty thousand, twelve".