12572150705 has 4 divisors (see below), whose sum is σ = 15086580852. Its totient is φ = 10057720560.

The previous prime is 12572150693. The next prime is 12572150707. The reversal of 12572150705 is 50705127521.

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 3273212944 + 9298937761 = 57212^2 + 96431^2 .

It is not a de Polignac number, because 12572150705 - 2⁸ = 12572150449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12572150707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257215066 + ... + 1257215075.

It is an arithmetic number, because the mean of its divisors is an integer number (3771645213).

Almost surely, 2^12572150705 is an apocalyptic number.

It is an amenable number.

12572150705 is a deficient number, since it is larger than the sum of its proper divisors (2514430147).

12572150705 is an equidigital number, since it uses as much as digits as its factorization.

12572150705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514430146.

The product of its (nonzero) digits is 24500, while the sum is 35.

The spelling of 12572150705 in words is "twelve billion, five hundred seventy-two million, one hundred fifty thousand, seven hundred five".