12672033806478 has 64 divisors (see below), whose sum is σ = 27424807372800. Its totient is φ = 3891497406720.

The previous prime is 12672033806447. The next prime is 12672033806489. The reversal of 12672033806478 is 87460833027621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2234118 + ... + 5507753.

It is an arithmetic number, because the mean of its divisors is an integer number (428512615200).

Almost surely, 2^{12672033806478} is an apocalyptic number.

12672033806478 is an abundant number, since it is smaller than the sum of its proper divisors (14752773566322).

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

12672033806478 is a wasteful number, since it uses less digits than its factorization.

12672033806478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7742337.

The product of its (nonzero) digits is 16257024, while the sum is 57.

The spelling of 12672033806478 in words is "twelve trillion, six hundred seventy-two billion, thirty-three million, eight hundred six thousand, four hundred seventy-eight".