12678670019 has 2 divisors, whose sum is σ = 12678670020. Its totient is φ = 12678670018.

The previous prime is 12678669929. The next prime is 12678670033. The reversal of 12678670019 is 91007687621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12678670019 - 2⁸ = 12678669763 is a prime.

It is a super-2 number, since 2×12678670019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12678670619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6339335009 + 6339335010.

It is an arithmetic number, because the mean of its divisors is an integer number (6339335010).

Almost surely, 2^12678670019 is an apocalyptic number.

12678670019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12678670019 is an equidigital number, since it uses as much as digits as its factorization.

12678670019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 12678670019 in words is "twelve billion, six hundred seventy-eight million, six hundred seventy thousand, nineteen".