122113231217 has 2 divisors, whose sum is σ = 122113231218. Its totient is φ = 122113231216.

The previous prime is 122113231181. The next prime is 122113231271. The reversal of 122113231217 is 712132311221.

Together with next prime (122113231271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115493944336 + 6619286881 = 339844^2 + 81359^2 .

It is a cyclic number.

It is not a de Polignac number, because 122113231217 - 2¹⁰ = 122113230193 is a prime.

It is not a weakly prime, because it can be changed into another prime (122113231517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056615608 + 61056615609.

It is an arithmetic number, because the mean of its divisors is an integer number (61056615609).

Almost surely, 2^122113231217 is an apocalyptic number.

It is an amenable number.

122113231217 is a deficient number, since it is larger than the sum of its proper divisors (1).

122113231217 is an equidigital number, since it uses as much as digits as its factorization.

122113231217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

Adding to 122113231217 its reverse (712132311221), we get a palindrome (834245542438).

The spelling of 122113231217 in words is "one hundred twenty-two billion, one hundred thirteen million, two hundred thirty-one thousand, two hundred seventeen".