12672554421684 has 24 divisors (see below), whose sum is σ = 29577437319808. Its totient is φ = 4223021425920.

The previous prime is 12672554421629. The next prime is 12672554421731. The reversal of 12672554421684 is 48612445527621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145377277 + ... + 145464420.

Almost surely, 2^{12672554421684} is an apocalyptic number.

It is an amenable number.

12672554421684 is an abundant number, since it is smaller than the sum of its proper divisors (16904882898124).

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

12672554421684 is a wasteful number, since it uses less digits than its factorization.

12672554421684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290845335 (or 290845333 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 57.

The spelling of 12672554421684 in words is "twelve trillion, six hundred seventy-two billion, five hundred fifty-four million, four hundred twenty-one thousand, six hundred eighty-four".