12098966909 has 2 divisors, whose sum is σ = 12098966910. Its totient is φ = 12098966908.

The previous prime is 12098966903. The next prime is 12098966917. The reversal of 12098966909 is 90966989021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6847066009 + 5251900900 = 82747^2 + 72470^2 .

It is a cyclic number.

It is not a de Polignac number, because 12098966909 - 2⁸ = 12098966653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12098966903) 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, 6049483454 + 6049483455.

It is an arithmetic number, because the mean of its divisors is an integer number (6049483455).

Almost surely, 2^12098966909 is an apocalyptic number.

It is an amenable number.

12098966909 is a deficient number, since it is larger than the sum of its proper divisors (1).

12098966909 is an equidigital number, since it uses as much as digits as its factorization.

12098966909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3779136, while the sum is 59.

The spelling of 12098966909 in words is "twelve billion, ninety-eight million, nine hundred sixty-six thousand, nine hundred nine".