12479288444 has 36 divisors (see below), whose sum is σ = 25510655520. Its totient is φ = 5325868800.

The previous prime is 12479288443. The next prime is 12479288467. The reversal of 12479288444 is 44488297421.

It is a happy number.

It is a super-2 number, since 2×12479288444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12479288441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86357 + ... + 180044.

It is an arithmetic number, because the mean of its divisors is an integer number (708629320).

Almost surely, 2^12479288444 is an apocalyptic number.

12479288444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12479288444 is an abundant number, since it is smaller than the sum of its proper divisors (13031367076).

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

12479288444 is a wasteful number, since it uses less digits than its factorization.

12479288444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266658 (or 266649 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 53.

The spelling of 12479288444 in words is "twelve billion, four hundred seventy-nine million, two hundred eighty-eight thousand, four hundred forty-four".