12130981777572 has 96 divisors (see below), whose sum is σ = 33964252062720. Its totient is φ = 3296530258560.

The previous prime is 12130981777561. The next prime is 12130981777627. The reversal of 12130981777572 is 27577718903121.

It is a happy number.

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, 37000054 + ... + 37326477.

It is an arithmetic number, because the mean of its divisors is an integer number (353794292320).

Almost surely, 2^{12130981777572} is an apocalyptic number.

12130981777572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12130981777572 is an abundant number, since it is smaller than the sum of its proper divisors (21833270285148).

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

12130981777572 is a wasteful number, since it uses less digits than its factorization.

12130981777572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74326641 (or 74326639 counting only the distinct ones).

The product of its (nonzero) digits is 10372320, while the sum is 60.

The spelling of 12130981777572 in words is "twelve trillion, one hundred thirty billion, nine hundred eighty-one million, seven hundred seventy-seven thousand, five hundred seventy-two".