12648562773144 has 32 divisors (see below), whose sum is σ = 32002387744320. Its totient is φ = 4165390149536.

The previous prime is 12648562773139. The next prime is 12648562773167. The reversal of 12648562773144 is 44137726584621.

It is a happy number.

It is a super-2 number, since 2×12648562773144² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3174838062 + ... + 3174842045.

It is an arithmetic number, because the mean of its divisors is an integer number (1000074617010).

Almost surely, 2^{12648562773144} is an apocalyptic number.

It is an amenable number.

12648562773144 is an abundant number, since it is smaller than the sum of its proper divisors (19353824971176).

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

12648562773144 is a wasteful number, since it uses less digits than its factorization.

12648562773144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349680199 (or 6349680195 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 60.

The spelling of 12648562773144 in words is "twelve trillion, six hundred forty-eight billion, five hundred sixty-two million, seven hundred seventy-three thousand, one hundred forty-four".