12768694679520 has 1152 divisors, whose sum is σ = 53452180454400. Its totient is φ = 2848127090688.

The previous prime is 12768694679513. The next prime is 12768694679579. The reversal of 12768694679520 is 2597649686721.

12768694679520 is a `hidden beast` number, since 1 + 2 + 7 + 6 + 8 + 6 + 94 + 6 + 7 + 9 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 220848376 + ... + 220906184.

It is an arithmetic number, because the mean of its divisors is an integer number (46399462200).

Almost surely, 2^{12768694679520} is an apocalyptic number.

12768694679520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12768694679520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26726090227200).

12768694679520 is an abundant number, since it is smaller than the sum of its proper divisors (40683485774880).

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

12768694679520 is a wasteful number, since it uses less digits than its factorization.

12768694679520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57894 (or 57874 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 72.

The spelling of 12768694679520 in words is "twelve trillion, seven hundred sixty-eight billion, six hundred ninety-four million, six hundred seventy-nine thousand, five hundred twenty".