122012212313 has 2 divisors, whose sum is σ = 122012212314. Its totient is φ = 122012212312.

The previous prime is 122012212279. The next prime is 122012212319. The reversal of 122012212313 is 313212210221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118564526224 + 3447686089 = 344332^2 + 58717^2 .

It is a cyclic number.

It is not a de Polignac number, because 122012212313 - 2¹⁸ = 122011950169 is a prime.

It is not a weakly prime, because it can be changed into another prime (122012212319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006106156 + 61006106157.

It is an arithmetic number, because the mean of its divisors is an integer number (61006106157).

Almost surely, 2^122012212313 is an apocalyptic number.

It is an amenable number.

122012212313 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012212313 is an equidigital number, since it uses as much as digits as its factorization.

122012212313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122012212313 its reverse (313212210221), we get a palindrome (435224422534).

The spelling of 122012212313 in words is "one hundred twenty-two billion, twelve million, two hundred twelve thousand, three hundred thirteen".