12975166797 has 4 divisors (see below), whose sum is σ = 17300222400. Its totient is φ = 8650111196.

The previous prime is 12975166783. The next prime is 12975166817. The reversal of 12975166797 is 79766157921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12975166797 - 2⁸ = 12975166541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12975166797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12975166727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162527797 + ... + 2162527802.

It is an arithmetic number, because the mean of its divisors is an integer number (4325055600).

Almost surely, 2^12975166797 is an apocalyptic number.

It is an amenable number.

12975166797 is a deficient number, since it is larger than the sum of its proper divisors (4325055603).

12975166797 is an equidigital number, since it uses as much as digits as its factorization.

12975166797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325055602.

The product of its digits is 10001880, while the sum is 60.

The spelling of 12975166797 in words is "twelve billion, nine hundred seventy-five million, one hundred sixty-six thousand, seven hundred ninety-seven".