12164446278112 has 24 divisors (see below), whose sum is σ = 24400616889096. Its totient is φ = 5967464211072.

The previous prime is 12164446278073. The next prime is 12164446278143. The reversal of 12164446278112 is 21187264446121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3586214778 + ... + 3586218169.

It is an arithmetic number, because the mean of its divisors is an integer number (1016692370379).

Almost surely, 2^{12164446278112} is an apocalyptic number.

It is an amenable number.

12164446278112 is an abundant number, since it is smaller than the sum of its proper divisors (12236170610984).

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

12164446278112 is an equidigital number, since it uses as much as digits as its factorization.

12164446278112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172433010 (or 7172433002 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 49.

The spelling of 12164446278112 in words is "twelve trillion, one hundred sixty-four billion, four hundred forty-six million, two hundred seventy-eight thousand, one hundred twelve".