12402443099 has 2 divisors, whose sum is σ = 12402443100. Its totient is φ = 12402443098.

The previous prime is 12402443093. The next prime is 12402443149. The reversal of 12402443099 is 99034420421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12402443099 is a prime.

It is not a weakly prime, because it can be changed into another prime (12402443093) 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, 6201221549 + 6201221550.

It is an arithmetic number, because the mean of its divisors is an integer number (6201221550).

Almost surely, 2^12402443099 is an apocalyptic number.

12402443099 is a deficient number, since it is larger than the sum of its proper divisors (1).

12402443099 is an equidigital number, since it uses as much as digits as its factorization.

12402443099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 12402443099 in words is "twelve billion, four hundred two million, four hundred forty-three thousand, ninety-nine".