12442999443 has 16 divisors (see below), whose sum is σ = 19364183040. Its totient is φ = 6959002176.

The previous prime is 12442999441. The next prime is 12442999447. The reversal of 12442999443 is 34499924421.

12442999443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12442999443 - 2¹ = 12442999441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12442999441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6302458 + ... + 6304431.

It is an arithmetic number, because the mean of its divisors is an integer number (1210261440).

Almost surely, 2^12442999443 is an apocalyptic number.

12442999443 is a deficient number, since it is larger than the sum of its proper divisors (6921183597).

12442999443 is a wasteful number, since it uses less digits than its factorization.

12442999443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12606946.

The product of its digits is 2239488, while the sum is 51.

The spelling of 12442999443 in words is "twelve billion, four hundred forty-two million, nine hundred ninety-nine thousand, four hundred forty-three".