12642027320 has 32 divisors (see below), whose sum is σ = 30632605920. Its totient is φ = 4667825280.

The previous prime is 12642027317. The next prime is 12642027353. The reversal of 12642027320 is 2372024621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12155276 + ... + 12156315.

It is an arithmetic number, because the mean of its divisors is an integer number (957268935).

Almost surely, 2^12642027320 is an apocalyptic number.

12642027320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12642027320 is an abundant number, since it is smaller than the sum of its proper divisors (17990578600).

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

12642027320 is a wasteful number, since it uses less digits than its factorization.

12642027320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24311615 (or 24311611 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 12642027320 in words is "twelve billion, six hundred forty-two million, twenty-seven thousand, three hundred twenty".