12244445566689 has 32 divisors (see below), whose sum is σ = 18793878046720. Its totient is φ = 6945955545600.

The previous prime is 12244445566687. The next prime is 12244445566721. The reversal of 12244445566689 is 98666554444221.

It is a happy number.

It is not a de Polignac number, because 12244445566689 - 2¹ = 12244445566687 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12244445566681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39517809 + ... + 39826449.

It is an arithmetic number, because the mean of its divisors is an integer number (587308688960).

Almost surely, 2^{12244445566689} is an apocalyptic number.

It is an amenable number.

12244445566689 is a deficient number, since it is larger than the sum of its proper divisors (6549432480031).

12244445566689 is a wasteful number, since it uses less digits than its factorization.

12244445566689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322381.

The product of its digits is 398131200, while the sum is 66.

The spelling of 12244445566689 in words is "twelve trillion, two hundred forty-four billion, four hundred forty-five million, five hundred sixty-six thousand, six hundred eighty-nine".