12696215899 has 2 divisors, whose sum is σ = 12696215900. Its totient is φ = 12696215898.

The previous prime is 12696215887. The next prime is 12696215911. The reversal of 12696215899 is 99851269621.

12696215899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12696215887) and next prime (12696215911).

It is a cyclic number.

It is not a de Polignac number, because 12696215899 - 2⁹ = 12696215387 is a prime.

It is a super-2 number, since 2×12696215899² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12696215099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6348107949 + 6348107950.

It is an arithmetic number, because the mean of its divisors is an integer number (6348107950).

Almost surely, 2^12696215899 is an apocalyptic number.

12696215899 is a deficient number, since it is larger than the sum of its proper divisors (1).

12696215899 is an equidigital number, since it uses as much as digits as its factorization.

12696215899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 58.

The spelling of 12696215899 in words is "twelve billion, six hundred ninety-six million, two hundred fifteen thousand, eight hundred ninety-nine".