12266624417 has 2 divisors, whose sum is σ = 12266624418. Its totient is φ = 12266624416.

The previous prime is 12266624407. The next prime is 12266624437. The reversal of 12266624417 is 71442666221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9600864256 + 2665760161 = 97984^2 + 51631^2 .

It is an emirp because it is prime and its reverse (71442666221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12266624417 - 2⁶ = 12266624353 is a prime.

It is not a weakly prime, because it can be changed into another prime (12266624407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6133312208 + 6133312209.

It is an arithmetic number, because the mean of its divisors is an integer number (6133312209).

Almost surely, 2^12266624417 is an apocalyptic number.

It is an amenable number.

12266624417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12266624417 is an equidigital number, since it uses as much as digits as its factorization.

12266624417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The spelling of 12266624417 in words is "twelve billion, two hundred sixty-six million, six hundred twenty-four thousand, four hundred seventeen".