12758332638768 has 40 divisors (see below), whose sum is σ = 33762904671216. Its totient is φ = 4149051264000.

The previous prime is 12758332638713. The next prime is 12758332638773. The reversal of 12758332638768 is 86783623385721.

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, 3241444333 + ... + 3241448268.

Almost surely, 2^{12758332638768} is an apocalyptic number.

It is an amenable number.

12758332638768 is an abundant number, since it is smaller than the sum of its proper divisors (21004572032448).

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

12758332638768 is a wasteful number, since it uses less digits than its factorization.

12758332638768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482892653 (or 6482892647 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 69.

The spelling of 12758332638768 in words is "twelve trillion, seven hundred fifty-eight billion, three hundred thirty-two million, six hundred thirty-eight thousand, seven hundred sixty-eight".