12648373878780 has 36 divisors (see below), whose sum is σ = 38366734099512. Its totient is φ = 3372899700960.

The previous prime is 12648373878757. The next prime is 12648373878823. The reversal of 12648373878780 is 8787837384621.

It is a happy number.

12648373878780 is a `hidden beast` number, since 1 + 2 + 6 + 483 + 7 + 3 + 8 + 78 + 78 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 12648373878699 and 12648373878708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35134371706 + ... + 35134372065.

Almost surely, 2^{12648373878780} is an apocalyptic number.

12648373878780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12648373878780 is an abundant number, since it is smaller than the sum of its proper divisors (25718360220732).

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

12648373878780 is a wasteful number, since it uses less digits than its factorization.

12648373878780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70268743786 (or 70268743781 counting only the distinct ones).

The product of its (nonzero) digits is 606928896, while the sum is 72.

The spelling of 12648373878780 in words is "twelve trillion, six hundred forty-eight billion, three hundred seventy-three million, eight hundred seventy-eight thousand, seven hundred eighty".