122710426012177 has 2 divisors, whose sum is σ = 122710426012178. Its totient is φ = 122710426012176.

The previous prime is 122710426012073. The next prime is 122710426012183. The reversal of 122710426012177 is 771210624017221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75822019117056 + 46888406895121 = 8707584^2 + 6847511^2 .

It is an emirp because it is prime and its reverse (771210624017221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122710426012177 is a prime.

It is not a weakly prime, because it can be changed into another prime (122710426012477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61355213006088 + 61355213006089.

It is an arithmetic number, because the mean of its divisors is an integer number (61355213006089).

Almost surely, 2^{122710426012177} is an apocalyptic number.

It is an amenable number.

122710426012177 is a deficient number, since it is larger than the sum of its proper divisors (1).

122710426012177 is an equidigital number, since it uses as much as digits as its factorization.

122710426012177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 43.

The spelling of 122710426012177 in words is "one hundred twenty-two trillion, seven hundred ten billion, four hundred twenty-six million, twelve thousand, one hundred seventy-seven".