12217445299 has 2 divisors, whose sum is σ = 12217445300. Its totient is φ = 12217445298.

The previous prime is 12217445269. The next prime is 12217445327. The reversal of 12217445299 is 99254471221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12217445299 - 2¹⁷ = 12217314227 is a prime.

It is not a weakly prime, because it can be changed into another prime (12217445209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6108722649 + 6108722650.

It is an arithmetic number, because the mean of its divisors is an integer number (6108722650).

Almost surely, 2^12217445299 is an apocalyptic number.

12217445299 is a deficient number, since it is larger than the sum of its proper divisors (1).

12217445299 is an equidigital number, since it uses as much as digits as its factorization.

12217445299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The spelling of 12217445299 in words is "twelve billion, two hundred seventeen million, four hundred forty-five thousand, two hundred ninety-nine".