12572921415 has 8 divisors (see below), whose sum is σ = 20116674288. Its totient is φ = 6705558080.

The previous prime is 12572921399. The next prime is 12572921477. The reversal of 12572921415 is 51412927521.

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

It is not a de Polignac number, because 12572921415 - 2⁴ = 12572921399 is a prime.

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, 419097366 + ... + 419097395.

It is an arithmetic number, because the mean of its divisors is an integer number (2514584286).

Almost surely, 2^12572921415 is an apocalyptic number.

12572921415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12572921415 is a deficient number, since it is larger than the sum of its proper divisors (7543752873).

12572921415 is an equidigital number, since it uses as much as digits as its factorization.

12572921415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838194769.

The product of its digits is 50400, while the sum is 39.

The spelling of 12572921415 in words is "twelve billion, five hundred seventy-two million, nine hundred twenty-one thousand, four hundred fifteen".