12454212317 has 2 divisors, whose sum is σ = 12454212318. Its totient is φ = 12454212316.

The previous prime is 12454212299. The next prime is 12454212341. The reversal of 12454212317 is 71321245421.

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., 10325404996 + 2128807321 = 101614^2 + 46139^2 .

It is a cyclic number.

It is not a de Polignac number, because 12454212317 - 2¹⁴ = 12454195933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12454712317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227106158 + 6227106159.

It is an arithmetic number, because the mean of its divisors is an integer number (6227106159).

Almost surely, 2^12454212317 is an apocalyptic number.

It is an amenable number.

12454212317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12454212317 is an equidigital number, since it uses as much as digits as its factorization.

12454212317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

Adding to 12454212317 its reverse (71321245421), we get a palindrome (83775457738).

The spelling of 12454212317 in words is "twelve billion, four hundred fifty-four million, two hundred twelve thousand, three hundred seventeen".