12238765417 has 2 divisors, whose sum is σ = 12238765418. Its totient is φ = 12238765416.

The previous prime is 12238765411. The next prime is 12238765421. The reversal of 12238765417 is 71456783221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12236563161 + 2202256 = 110619^2 + 1484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12238765417 is a prime.

It is not a weakly prime, because it can be changed into another prime (12238765411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6119382708 + 6119382709.

It is an arithmetic number, because the mean of its divisors is an integer number (6119382709).

Almost surely, 2^12238765417 is an apocalyptic number.

It is an amenable number.

12238765417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12238765417 is an equidigital number, since it uses as much as digits as its factorization.

12238765417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 46.

The spelling of 12238765417 in words is "twelve billion, two hundred thirty-eight million, seven hundred sixty-five thousand, four hundred seventeen".