12688190470391 has 2 divisors, whose sum is σ = 12688190470392. Its totient is φ = 12688190470390.

The previous prime is 12688190470261. The next prime is 12688190470421. The reversal of 12688190470391 is 19307409188621.

It is a strong prime.

It is an emirp because it is prime and its reverse (19307409188621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12688190470391 - 2¹⁸ = 12688190208247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12688190470391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12688190470091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6344095235195 + 6344095235196.

It is an arithmetic number, because the mean of its divisors is an integer number (6344095235196).

Almost surely, 2^{12688190470391} is an apocalyptic number.

12688190470391 is a deficient number, since it is larger than the sum of its proper divisors (1).

12688190470391 is an equidigital number, since it uses as much as digits as its factorization.

12688190470391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 12688190470391 in words is "twelve trillion, six hundred eighty-eight billion, one hundred ninety million, four hundred seventy thousand, three hundred ninety-one".