12480177772172 has 48 divisors (see below), whose sum is σ = 24013530414720. Its totient is φ = 5628130060800.

The previous prime is 12480177772163. The next prime is 12480177772189. The reversal of 12480177772172 is 27127777108421.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

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, 23537363 + ... + 24061749.

It is an arithmetic number, because the mean of its divisors is an integer number (500281883640).

Almost surely, 2^{12480177772172} is an apocalyptic number.

It is an amenable number.

12480177772172 is a deficient number, since it is larger than the sum of its proper divisors (11533352642548).

12480177772172 is a wasteful number, since it uses less digits than its factorization.

12480177772172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528662 (or 528660 counting only the distinct ones).

The product of its (nonzero) digits is 4302592, while the sum is 56.

The spelling of 12480177772172 in words is "twelve trillion, four hundred eighty billion, one hundred seventy-seven million, seven hundred seventy-two thousand, one hundred seventy-two".