12456664602 has 16 divisors (see below), whose sum is σ = 25062512832. Its totient is φ = 4127357600.

The previous prime is 12456664579. The next prime is 12456664639. The reversal of 12456664602 is 20646665421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6214899 + ... + 6216902.

It is an arithmetic number, because the mean of its divisors is an integer number (1566407052).

Almost surely, 2^12456664602 is an apocalyptic number.

12456664602 is an abundant number, since it is smaller than the sum of its proper divisors (12605848230).

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

12456664602 is a wasteful number, since it uses less digits than its factorization.

12456664602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431973.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 12456664602 in words is "twelve billion, four hundred fifty-six million, six hundred sixty-four thousand, six hundred two".