12444294916 has 45 divisors (see below), whose sum is σ = 23259104841. Its totient is φ = 5825796096.

The previous prime is 12444294883. The next prime is 12444294937. The reversal of 12444294916 is 61949244421.

The square root of 12444294916 is 111554.

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

It can be written as a sum of positive squares in 7 ways, for example, as 2505002500 + 9939292416 = 50050^2 + 99696^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 64478116 + ... + 64478308.

Almost surely, 2^12444294916 is an apocalyptic number.

12444294916 is the 111554-th square number.

It is an amenable number.

12444294916 is a deficient number, since it is larger than the sum of its proper divisors (10814809925).

12444294916 is an frugal number, since it uses more digits than its factorization.

12444294916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 212 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The spelling of 12444294916 in words is "twelve billion, four hundred forty-four million, two hundred ninety-four thousand, nine hundred sixteen".