12275888544 has 72 divisors (see below), whose sum is σ = 35269530660. Its totient is φ = 4049768448.

The previous prime is 12275888531. The next prime is 12275888591. The reversal of 12275888544 is 44588857221.

12275888544 is a `hidden beast` number, since 1 + 2 + 2 + 7 + 588 + 8 + 54 + 4 = 666.

12275888544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11728890000 + 546998544 = 108300^2 + 23388^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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 11 ways as a sum of consecutive naturals, for example, 191779 + ... + 247650.

Almost surely, 2^12275888544 is an apocalyptic number.

It is an amenable number.

12275888544 is an abundant number, since it is smaller than the sum of its proper divisors (22993642116).

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

12275888544 is a wasteful number, since it uses less digits than its factorization.

12275888544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439542 (or 439531 counting only the distinct ones).

The product of its digits is 5734400, while the sum is 54.

The spelling of 12275888544 in words is "twelve billion, two hundred seventy-five million, eight hundred eighty-eight thousand, five hundred forty-four".