12572936909 has 16 divisors (see below), whose sum is σ = 13677350400. Its totient is φ = 11488723776.

The previous prime is 12572936903. The next prime is 12572936927. The reversal of 12572936909 is 90963927521.

It is a cyclic number.

It is not a de Polignac number, because 12572936909 - 2²⁸ = 12304501453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12572936903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506807 + ... + 531035.

It is an arithmetic number, because the mean of its divisors is an integer number (854834400).

Almost surely, 2^12572936909 is an apocalyptic number.

It is an amenable number.

12572936909 is a deficient number, since it is larger than the sum of its proper divisors (1104413491).

12572936909 is a wasteful number, since it uses less digits than its factorization.

12572936909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24644.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 12572936909 in words is "twelve billion, five hundred seventy-two million, nine hundred thirty-six thousand, nine hundred nine".