12198795289 has 2 divisors, whose sum is σ = 12198795290. Its totient is φ = 12198795288.

The previous prime is 12198795239. The next prime is 12198795347. The reversal of 12198795289 is 98259789121.

12198795289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10199990025 + 1998805264 = 100995^2 + 44708^2 .

It is a cyclic number.

It is not a de Polignac number, because 12198795289 - 2¹⁷ = 12198664217 is a prime.

It is not a weakly prime, because it can be changed into another prime (12198795209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6099397644 + 6099397645.

It is an arithmetic number, because the mean of its divisors is an integer number (6099397645).

Almost surely, 2^12198795289 is an apocalyptic number.

It is an amenable number.

12198795289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12198795289 is an equidigital number, since it uses as much as digits as its factorization.

12198795289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 61.

The spelling of 12198795289 in words is "twelve billion, one hundred ninety-eight million, seven hundred ninety-five thousand, two hundred eighty-nine".