12173444988 has 12 divisors (see below), whose sum is σ = 28404705000. Its totient is φ = 4057814992.

The previous prime is 12173444971. The next prime is 12173444993. The reversal of 12173444988 is 88944437121.

12173444988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12173444988.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 507226863 + ... + 507226886.

It is an arithmetic number, because the mean of its divisors is an integer number (2367058750).

Almost surely, 2^12173444988 is an apocalyptic number.

It is an amenable number.

12173444988 is an abundant number, since it is smaller than the sum of its proper divisors (16231260012).

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

12173444988 is a wasteful number, since it uses less digits than its factorization.

12173444988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014453756 (or 1014453754 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The spelling of 12173444988 in words is "twelve billion, one hundred seventy-three million, four hundred forty-four thousand, nine hundred eighty-eight".