12489268044 has 48 divisors (see below), whose sum is σ = 32033586816. Its totient is φ = 3755731200.

The previous prime is 12489268021. The next prime is 12489268063. The reversal of 12489268044 is 44086298421.

It is a happy number.

12489268044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12489267984 and 12489268002.

It is an unprimeable number.

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, 343837 + ... + 378420.

It is an arithmetic number, because the mean of its divisors is an integer number (667366392).

Almost surely, 2^12489268044 is an apocalyptic number.

It is an amenable number.

12489268044 is an abundant number, since it is smaller than the sum of its proper divisors (19544318772).

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

12489268044 is a wasteful number, since it uses less digits than its factorization.

12489268044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722406 (or 722404 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 12489268044 in words is "twelve billion, four hundred eighty-nine million, two hundred sixty-eight thousand, forty-four".