12169175992 has 8 divisors (see below), whose sum is σ = 22817205000. Its totient is φ = 6084587992.

The previous prime is 12169175987. The next prime is 12169176001. The reversal of 12169175992 is 29957196121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760573492 + ... + 760573507.

It is an arithmetic number, because the mean of its divisors is an integer number (2852150625).

Almost surely, 2^12169175992 is an apocalyptic number.

It is an amenable number.

12169175992 is a deficient number, since it is larger than the sum of its proper divisors (10648029008).

12169175992 is a wasteful number, since it uses less digits than its factorization.

12169175992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521147005 (or 1521147001 counting only the distinct ones).

The product of its digits is 612360, while the sum is 52.

The spelling of 12169175992 in words is "twelve billion, one hundred sixty-nine million, one hundred seventy-five thousand, nine hundred ninety-two".