12113020313312 has 48 divisors (see below), whose sum is σ = 24662286681984. Its totient is φ = 5850304704000.

The previous prime is 12113020313267. The next prime is 12113020313321. The reversal of 12113020313312 is 21331302031121.

It is a super-2 number, since 2×12113020313312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10748639 + ... + 11821982.

It is an arithmetic number, because the mean of its divisors is an integer number (513797639208).

Almost surely, 2^{12113020313312} is an apocalyptic number.

It is an amenable number.

12113020313312 is an abundant number, since it is smaller than the sum of its proper divisors (12549266368672).

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

12113020313312 is a wasteful number, since it uses less digits than its factorization.

12113020313312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22571203 (or 22571195 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12113020313312 its reverse (21331302031121), we get a palindrome (33444322344433).

The spelling of 12113020313312 in words is "twelve trillion, one hundred thirteen billion, twenty million, three hundred thirteen thousand, three hundred twelve".