12852530161 has 9 divisors (see below), whose sum is σ = 13039400289. Its totient is φ = 12668305536.

The previous prime is 12852530149. The next prime is 12852530191. The reversal of 12852530161 is 16103525821.

The square root of 12852530161 is 113369.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1886251761 + 10966278400 = 43431^2 + 104720^2 .

It is not a de Polignac number, because 12852530161 - 2⁹ = 12852529649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12852530101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8275161 + ... + 8276713.

Almost surely, 2^12852530161 is an apocalyptic number.

12852530161 is the 113369-th square number.

12852530161 is the 56685-th centered octagonal number.

It is an amenable number.

12852530161 is a deficient number, since it is larger than the sum of its proper divisors (186870128).

12852530161 is an frugal number, since it uses more digits than its factorization.

12852530161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

Multiplying 12852530161 by its product of nonzero digits (14400), we get a square (185076434318400 = 13604280²).

The spelling of 12852530161 in words is "twelve billion, eight hundred fifty-two million, five hundred thirty thousand, one hundred sixty-one".