12444263128 has 64 divisors (see below), whose sum is σ = 25602998400. Its totient is φ = 5623537920.

The previous prime is 12444263099. The next prime is 12444263131. The reversal of 12444263128 is 82136244421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20168676 + ... + 20169292.

It is an arithmetic number, because the mean of its divisors is an integer number (400046850).

Almost surely, 2^12444263128 is an apocalyptic number.

It is an amenable number.

12444263128 is an abundant number, since it is smaller than the sum of its proper divisors (13158735272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12444263128 is a wasteful number, since it uses less digits than its factorization.

12444263128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 1596 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

It can be divided in two parts, 12444 and 263128, that added together give a palindrome (275572).

The spelling of 12444263128 in words is "twelve billion, four hundred forty-four million, two hundred sixty-three thousand, one hundred twenty-eight".