12453312017 has 2 divisors, whose sum is σ = 12453312018. Its totient is φ = 12453312016.

The previous prime is 12453311999. The next prime is 12453312029. The reversal of 12453312017 is 71021335421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10974448081 + 1478863936 = 104759^2 + 38456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12453312017 is a prime.

It is not a weakly prime, because it can be changed into another prime (12453312217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226656008 + 6226656009.

It is an arithmetic number, because the mean of its divisors is an integer number (6226656009).

Almost surely, 2^12453312017 is an apocalyptic number.

It is an amenable number.

12453312017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453312017 is an equidigital number, since it uses as much as digits as its factorization.

12453312017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 12453312017 its reverse (71021335421), we get a palindrome (83474647438).

The spelling of 12453312017 in words is "twelve billion, four hundred fifty-three million, three hundred twelve thousand, seventeen".