12233223217 has 2 divisors, whose sum is σ = 12233223218. Its totient is φ = 12233223216.

The previous prime is 12233223179. The next prime is 12233223251. The reversal of 12233223217 is 71232233221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11337777441 + 895445776 = 106479^2 + 29924^2 .

It is a cyclic number.

It is not a de Polignac number, because 12233223217 - 2⁷ = 12233223089 is a prime.

It is not a weakly prime, because it can be changed into another prime (12233223517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116611608 + 6116611609.

It is an arithmetic number, because the mean of its divisors is an integer number (6116611609).

Almost surely, 2^12233223217 is an apocalyptic number.

It is an amenable number.

12233223217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12233223217 is an equidigital number, since it uses as much as digits as its factorization.

12233223217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

Adding to 12233223217 its reverse (71232233221), we get a palindrome (83465456438).

The spelling of 12233223217 in words is "twelve billion, two hundred thirty-three million, two hundred twenty-three thousand, two hundred seventeen".