12357664658762 has 4 divisors (see below), whose sum is σ = 18536496988146. Its totient is φ = 6178832329380.

The previous prime is 12357664658749. The next prime is 12357664658791. The reversal of 12357664658762 is 26785646675321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11223565325281 + 1134099333481 = 3350159^2 + 1064941^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12357664658692 and 12357664658701.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3089416164689 + ... + 3089416164692.

Almost surely, 2^{12357664658762} is an apocalyptic number.

12357664658762 is a deficient number, since it is larger than the sum of its proper divisors (6178832329384).

12357664658762 is an equidigital number, since it uses as much as digits as its factorization.

12357664658762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6178832329383.

The product of its digits is 609638400, while the sum is 68.

The spelling of 12357664658762 in words is "twelve trillion, three hundred fifty-seven billion, six hundred sixty-four million, six hundred fifty-eight thousand, seven hundred sixty-two".