12408867799 has 2 divisors, whose sum is σ = 12408867800. Its totient is φ = 12408867798.

The previous prime is 12408867791. The next prime is 12408867893. The reversal of 12408867799 is 99776880421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12408867799 - 2³ = 12408867791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12408867791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6204433899 + 6204433900.

It is an arithmetic number, because the mean of its divisors is an integer number (6204433900).

Almost surely, 2^12408867799 is an apocalyptic number.

12408867799 is a deficient number, since it is larger than the sum of its proper divisors (1).

12408867799 is an equidigital number, since it uses as much as digits as its factorization.

12408867799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 12408867799 in words is "twelve billion, four hundred eight million, eight hundred sixty-seven thousand, seven hundred ninety-nine".