12244565679 has 4 divisors (see below), whose sum is σ = 16326087576. Its totient is φ = 8163043784.

The previous prime is 12244565653. The next prime is 12244565699. The reversal of 12244565679 is 97656544221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12244565679 - 2⁵ = 12244565647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244565699) 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, 2040760944 + ... + 2040760949.

It is an arithmetic number, because the mean of its divisors is an integer number (4081521894).

Almost surely, 2^12244565679 is an apocalyptic number.

12244565679 is a deficient number, since it is larger than the sum of its proper divisors (4081521897).

12244565679 is an equidigital number, since it uses as much as digits as its factorization.

12244565679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081521896.

The product of its digits is 3628800, while the sum is 51.

The spelling of 12244565679 in words is "twelve billion, two hundred forty-four million, five hundred sixty-five thousand, six hundred seventy-nine".