12648684454476 has 48 divisors (see below), whose sum is σ = 35713932581376. Its totient is φ = 3401326911744.

The previous prime is 12648684454409. The next prime is 12648684454513. The reversal of 12648684454476 is 67445448684621.

It is a self number, because there is not a number n which added to its sum of digits gives 12648684454476.

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, 4428809656 + ... + 4428812511.

It is an arithmetic number, because the mean of its divisors is an integer number (744040262112).

Almost surely, 2^{12648684454476} is an apocalyptic number.

It is an amenable number.

12648684454476 is an abundant number, since it is smaller than the sum of its proper divisors (23065248126900).

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

12648684454476 is a wasteful number, since it uses less digits than its factorization.

12648684454476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8857622198 (or 8857622196 counting only the distinct ones).

The product of its digits is 990904320, while the sum is 69.

The spelling of 12648684454476 in words is "twelve trillion, six hundred forty-eight billion, six hundred eighty-four million, four hundred fifty-four thousand, four hundred seventy-six".