12642740523682 has 8 divisors (see below), whose sum is σ = 18981303998976. Its totient is φ = 6315639190692.

The previous prime is 12642740523671. The next prime is 12642740523701. The reversal of 12642740523682 is 28632504724621.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2865532818 + ... + 2865537229.

It is an arithmetic number, because the mean of its divisors is an integer number (2372662999872).

Almost surely, 2^{12642740523682} is an apocalyptic number.

12642740523682 is a deficient number, since it is larger than the sum of its proper divisors (6338563475294).

12642740523682 is a wasteful number, since it uses less digits than its factorization.

12642740523682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5731071152.

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 12642740523682 in words is "twelve trillion, six hundred forty-two billion, seven hundred forty million, five hundred twenty-three thousand, six hundred eighty-two".