12964272187 has 2 divisors, whose sum is σ = 12964272188. Its totient is φ = 12964272186.

The previous prime is 12964272173. The next prime is 12964272197. The reversal of 12964272187 is 78127246921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12964272187 - 2¹¹ = 12964270139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12964272187.

It is not a weakly prime, because it can be changed into another prime (12964272127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6482136093 + 6482136094.

It is an arithmetic number, because the mean of its divisors is an integer number (6482136094).

Almost surely, 2^12964272187 is an apocalyptic number.

12964272187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12964272187 is an equidigital number, since it uses as much as digits as its factorization.

12964272187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 49.

The spelling of 12964272187 in words is "twelve billion, nine hundred sixty-four million, two hundred seventy-two thousand, one hundred eighty-seven".