12413442281 has 2 divisors, whose sum is σ = 12413442282. Its totient is φ = 12413442280.

The previous prime is 12413442241. The next prime is 12413442289. The reversal of 12413442281 is 18224431421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8296295056 + 4117147225 = 91084^2 + 64165^2 .

It is a cyclic number.

It is not a de Polignac number, because 12413442281 - 2¹⁸ = 12413180137 is a prime.

It is a super-2 number, since 2×12413442281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12413442289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206721140 + 6206721141.

It is an arithmetic number, because the mean of its divisors is an integer number (6206721141).

Almost surely, 2^12413442281 is an apocalyptic number.

It is an amenable number.

12413442281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12413442281 is an equidigital number, since it uses as much as digits as its factorization.

12413442281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 32.

The spelling of 12413442281 in words is "twelve billion, four hundred thirteen million, four hundred forty-two thousand, two hundred eighty-one".