12168899175 has 12 divisors (see below), whose sum is σ = 20119246760. Its totient is φ = 6490079520.

The previous prime is 12168899173. The next prime is 12168899209. The reversal of 12168899175 is 57199886121.

It is not a de Polignac number, because 12168899175 - 2¹ = 12168899173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12168899173) 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, 81125920 + ... + 81126069.

Almost surely, 2^12168899175 is an apocalyptic number.

12168899175 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12168899175 is a deficient number, since it is larger than the sum of its proper divisors (7950347585).

12168899175 is a wasteful number, since it uses less digits than its factorization.

12168899175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162252002 (or 162251997 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 57.

The spelling of 12168899175 in words is "twelve billion, one hundred sixty-eight million, eight hundred ninety-nine thousand, one hundred seventy-five".