12664270572 has 12 divisors (see below), whose sum is σ = 29549964696. Its totient is φ = 4221423520.

The previous prime is 12664270543. The next prime is 12664270601. The reversal of 12664270572 is 27507246621.

It is an interprime number because it is at equal distance from previous prime (12664270543) and next prime (12664270601).

It is a tau number, because it is divible by the number of its divisors (12).

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, 527677929 + ... + 527677952.

It is an arithmetic number, because the mean of its divisors is an integer number (2462497058).

Almost surely, 2^12664270572 is an apocalyptic number.

12664270572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12664270572 is an abundant number, since it is smaller than the sum of its proper divisors (16885694124).

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

12664270572 is a wasteful number, since it uses less digits than its factorization.

12664270572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055355888 (or 1055355886 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 12664270572 in words is "twelve billion, six hundred sixty-four million, two hundred seventy thousand, five hundred seventy-two".