12303122213 has 2 divisors, whose sum is σ = 12303122214. Its totient is φ = 12303122212.

The previous prime is 12303122201. The next prime is 12303122219. The reversal of 12303122213 is 31222130321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12290604769 + 12517444 = 110863^2 + 3538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12303122213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12303122219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151561106 + 6151561107.

It is an arithmetic number, because the mean of its divisors is an integer number (6151561107).

Almost surely, 2^12303122213 is an apocalyptic number.

It is an amenable number.

12303122213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303122213 is an equidigital number, since it uses as much as digits as its factorization.

12303122213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12303122213 its reverse (31222130321), we get a palindrome (43525252534).

The spelling of 12303122213 in words is "twelve billion, three hundred three million, one hundred twenty-two thousand, two hundred thirteen".