12768801635716 has 27 divisors (see below), whose sum is σ = 25993733742039. Its totient is φ = 5472322118088.

The previous prime is 12768801635699. The next prime is 12768801635767. The reversal of 12768801635716 is 61753610886721.

The square root of 12768801635716 is 3573346.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 49899225 + ... + 50154463.

Almost surely, 2^{12768801635716} is an apocalyptic number.

12768801635716 is the 3573346-th square number.

It is an amenable number.

12768801635716 is an abundant number, since it is smaller than the sum of its proper divisors (13224932106323).

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

12768801635716 is an frugal number, since it uses more digits than its factorization.

12768801635716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510496 (or 255248 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 12768801635716 in words is "twelve trillion, seven hundred sixty-eight billion, eight hundred one million, six hundred thirty-five thousand, seven hundred sixteen".