122100012137 has 2 divisors, whose sum is σ = 122100012138. Its totient is φ = 122100012136.

The previous prime is 122100012131. The next prime is 122100012191. The reversal of 122100012137 is 731210001221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105346334041 + 16753678096 = 324571^2 + 129436^2 .

It is a cyclic number.

It is not a de Polignac number, because 122100012137 - 2¹⁰ = 122100011113 is a prime.

It is not a weakly prime, because it can be changed into another prime (122100012131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050006068 + 61050006069.

It is an arithmetic number, because the mean of its divisors is an integer number (61050006069).

Almost surely, 2^122100012137 is an apocalyptic number.

It is an amenable number.

122100012137 is a deficient number, since it is larger than the sum of its proper divisors (1).

122100012137 is an equidigital number, since it uses as much as digits as its factorization.

122100012137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 122100012137 its reverse (731210001221), we get a palindrome (853310013358).

The spelling of 122100012137 in words is "one hundred twenty-two billion, one hundred million, twelve thousand, one hundred thirty-seven".