12971722170195 has 96 divisors (see below), whose sum is σ = 22993934745600. Its totient is φ = 6763105324800.

The previous prime is 12971722170193. The next prime is 12971722170223. The reversal of 12971722170195 is 59107122717921.

12971722170195 is a `hidden beast` number, since 1 + 297 + 172 + 2 + 170 + 19 + 5 = 666.

It is not a de Polignac number, because 12971722170195 - 2¹ = 12971722170193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12971722170193) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 517056942 + ... + 517082028.

It is an arithmetic number, because the mean of its divisors is an integer number (239520153600).

Almost surely, 2^{12971722170195} is an apocalyptic number.

12971722170195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12971722170195 is a deficient number, since it is larger than the sum of its proper divisors (10022212575405).

12971722170195 is a wasteful number, since it uses less digits than its factorization.

12971722170195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26465 (or 26462 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 54.

The spelling of 12971722170195 in words is "twelve trillion, nine hundred seventy-one billion, seven hundred twenty-two million, one hundred seventy thousand, one hundred ninety-five".