12572426305 has 4 divisors (see below), whose sum is σ = 15086911572. Its totient is φ = 10057941040.

The previous prime is 12572426299. The next prime is 12572426327. The reversal of 12572426305 is 50362427521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6414728464 + 6157697841 = 80092^2 + 78471^2 .

It is not a de Polignac number, because 12572426305 - 2³ = 12572426297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257242626 + ... + 1257242635.

It is an arithmetic number, because the mean of its divisors is an integer number (3771727893).

Almost surely, 2^12572426305 is an apocalyptic number.

It is an amenable number.

12572426305 is a deficient number, since it is larger than the sum of its proper divisors (2514485267).

12572426305 is an equidigital number, since it uses as much as digits as its factorization.

12572426305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514485266.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 12572426305 in words is "twelve billion, five hundred seventy-two million, four hundred twenty-six thousand, three hundred five".