12562076161 has 4 divisors (see below), whose sum is σ = 12634689492. Its totient is φ = 12489462832.

The previous prime is 12562076123. The next prime is 12562076179. The reversal of 12562076161 is 16167026521.

It is a happy number.

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 12002517136 + 559559025 = 109556^2 + 23655^2 .

It is a cyclic number.

It is not a de Polignac number, because 12562076161 - 2¹¹ = 12562074113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12562076161.

It is not an unprimeable number, because it can be changed into a prime (12562056161) 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, 36306406 + ... + 36306751.

It is an arithmetic number, because the mean of its divisors is an integer number (3158672373).

Almost surely, 2^12562076161 is an apocalyptic number.

It is an amenable number.

12562076161 is a deficient number, since it is larger than the sum of its proper divisors (72613331).

12562076161 is an equidigital number, since it uses as much as digits as its factorization.

12562076161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72613330.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 12562076161 in words is "twelve billion, five hundred sixty-two million, seventy-six thousand, one hundred sixty-one".