12172659206319 has 6 divisors (see below), whose sum is σ = 17582729964696. Its totient is φ = 8115106137540.

The previous prime is 12172659206317. The next prime is 12172659206339. The reversal of 12172659206319 is 91360295627121.

12172659206319 is a `hidden beast` number, since 1 + 2 + 1 + 72 + 6 + 59 + 206 + 319 = 666.

It is not a de Polignac number, because 12172659206319 - 2¹ = 12172659206317 is a prime.

It is a super-2 number, since 2×12172659206319² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12172659206311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 676258844787 + ... + 676258844804.

It is an arithmetic number, because the mean of its divisors is an integer number (2930454994116).

Almost surely, 2^{12172659206319} is an apocalyptic number.

12172659206319 is a deficient number, since it is larger than the sum of its proper divisors (5410070758377).

12172659206319 is a wasteful number, since it uses less digits than its factorization.

12172659206319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352517689597 (or 1352517689594 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 12172659206319 in words is "twelve trillion, one hundred seventy-two billion, six hundred fifty-nine million, two hundred six thousand, three hundred nineteen".