12179777720040 has 256 divisors, whose sum is σ = 46958181580800. Its totient is φ = 2750407494912.

The previous prime is 12179777719987. The next prime is 12179777720057. The reversal of 12179777720040 is 4002777797121.

12179777720040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9077832 + ... + 10332791.

It is an arithmetic number, because the mean of its divisors is an integer number (183430396800).

Almost surely, 2^{12179777720040} is an apocalyptic number.

12179777720040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12179777720040 is an abundant number, since it is smaller than the sum of its proper divisors (34778403860760).

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

12179777720040 is a wasteful number, since it uses less digits than its factorization.

12179777720040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19410733 (or 19410723 counting only the distinct ones).

The product of its (nonzero) digits is 2420208, while the sum is 54.

The spelling of 12179777720040 in words is "twelve trillion, one hundred seventy-nine billion, seven hundred seventy-seven million, seven hundred twenty thousand, forty".