12768678193236 has 48 divisors (see below), whose sum is σ = 34970073618816. Its totient is φ = 3549593937024.

The previous prime is 12768678193153. The next prime is 12768678193253. The reversal of 12768678193236 is 63239187686721.

It is a super-2 number, since 2×12768678193236² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 2054160051 + ... + 2054166266.

It is an arithmetic number, because the mean of its divisors is an integer number (728543200392).

Almost surely, 2^{12768678193236} is an apocalyptic number.

It is an amenable number.

12768678193236 is an abundant number, since it is smaller than the sum of its proper divisors (22201395425580).

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

12768678193236 is a wasteful number, since it uses less digits than its factorization.

12768678193236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108326368 (or 4108326366 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 69.

The spelling of 12768678193236 in words is "twelve trillion, seven hundred sixty-eight billion, six hundred seventy-eight million, one hundred ninety-three thousand, two hundred thirty-six".