12240322313 has 2 divisors, whose sum is σ = 12240322314. Its totient is φ = 12240322312.

The previous prime is 12240322309. The next prime is 12240322319. The reversal of 12240322313 is 31322304221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10760535289 + 1479787024 = 103733^2 + 38468^2 .

It is a cyclic number.

It is not a de Polignac number, because 12240322313 - 2² = 12240322309 is a prime.

It is a super-2 number, since 2×12240322313² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12240322319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6120161156 + 6120161157.

It is an arithmetic number, because the mean of its divisors is an integer number (6120161157).

Almost surely, 2^12240322313 is an apocalyptic number.

It is an amenable number.

12240322313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12240322313 is an equidigital number, since it uses as much as digits as its factorization.

12240322313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12240322313 its reverse (31322304221), we get a palindrome (43562626534).

The spelling of 12240322313 in words is "twelve billion, two hundred forty million, three hundred twenty-two thousand, three hundred thirteen".