12788683887860 has 12 divisors (see below), whose sum is σ = 26856236164548. Its totient is φ = 5115473555136.

The previous prime is 12788683887857. The next prime is 12788683887913. The reversal of 12788683887860 is 6878838688721.

It can be written as a sum of positive squares in 2 ways, for example, as 9555059947876 + 3233623939984 = 3091126^2 + 1798228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319717097177 + ... + 319717097216.

It is an arithmetic number, because the mean of its divisors is an integer number (2238019680379).

Almost surely, 2^{12788683887860} is an apocalyptic number.

12788683887860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12788683887860 is an abundant number, since it is smaller than the sum of its proper divisors (14067552276688).

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

12788683887860 is a wasteful number, since it uses less digits than its factorization.

12788683887860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639434194402 (or 639434194400 counting only the distinct ones).

The product of its (nonzero) digits is 2774532096, while the sum is 80.

The spelling of 12788683887860 in words is "twelve trillion, seven hundred eighty-eight billion, six hundred eighty-three million, eight hundred eighty-seven thousand, eight hundred sixty".