12788612719 has 2 divisors, whose sum is σ = 12788612720. Its totient is φ = 12788612718.

The previous prime is 12788612717. The next prime is 12788612737. The reversal of 12788612719 is 91721688721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12788612719 - 2¹ = 12788612717 is a prime.

It is a super-2 number, since 2×12788612719² (a number of 21 digits) contains 22 as substring.

Together with 12788612717, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12788612717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6394306359 + 6394306360.

It is an arithmetic number, because the mean of its divisors is an integer number (6394306360).

Almost surely, 2^12788612719 is an apocalyptic number.

12788612719 is a deficient number, since it is larger than the sum of its proper divisors (1).

12788612719 is an equidigital number, since it uses as much as digits as its factorization.

12788612719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 52.

The spelling of 12788612719 in words is "twelve billion, seven hundred eighty-eight million, six hundred twelve thousand, seven hundred nineteen".