122746255213 has 2 divisors, whose sum is σ = 122746255214. Its totient is φ = 122746255212.

The previous prime is 122746255211. The next prime is 122746255217. The reversal of 122746255213 is 312552647221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100817680324 + 21928574889 = 317518^2 + 148083^2 .

It is a cyclic number.

It is not a de Polignac number, because 122746255213 - 2¹ = 122746255211 is a prime.

Together with 122746255211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122746255211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61373127606 + 61373127607.

It is an arithmetic number, because the mean of its divisors is an integer number (61373127607).

Almost surely, 2^122746255213 is an apocalyptic number.

It is an amenable number.

122746255213 is a deficient number, since it is larger than the sum of its proper divisors (1).

122746255213 is an equidigital number, since it uses as much as digits as its factorization.

122746255213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 40.

The spelling of 122746255213 in words is "one hundred twenty-two billion, seven hundred forty-six million, two hundred fifty-five thousand, two hundred thirteen".