12173327999 has 16 divisors (see below), whose sum is σ = 14743149120. Its totient is φ = 9828752640.

The previous prime is 12173327953. The next prime is 12173328007. The reversal of 12173327999 is 99972337121.

It is not a de Polignac number, because 12173327999 - 2²⁰ = 12172279423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12173327999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173321999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722984 + ... + 739629.

It is an arithmetic number, because the mean of its divisors is an integer number (921446820).

Almost surely, 2^12173327999 is an apocalyptic number.

12173327999 is a deficient number, since it is larger than the sum of its proper divisors (2569821121).

12173327999 is a wasteful number, since it uses less digits than its factorization.

12173327999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462690.

The product of its digits is 1285956, while the sum is 53.

The spelling of 12173327999 in words is "twelve billion, one hundred seventy-three million, three hundred twenty-seven thousand, nine hundred ninety-nine".