122202212137 has 2 divisors, whose sum is σ = 122202212138. Its totient is φ = 122202212136.

The previous prime is 122202212117. The next prime is 122202212213. The reversal of 122202212137 is 731212202221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98109274176 + 24092937961 = 313224^2 + 155219^2 .

It is a cyclic number.

It is not a de Polignac number, because 122202212137 - 2²³ = 122193823529 is a prime.

It is not a weakly prime, because it can be changed into another prime (122202212117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101106068 + 61101106069.

It is an arithmetic number, because the mean of its divisors is an integer number (61101106069).

Almost surely, 2^122202212137 is an apocalyptic number.

It is an amenable number.

122202212137 is a deficient number, since it is larger than the sum of its proper divisors (1).

122202212137 is an equidigital number, since it uses as much as digits as its factorization.

122202212137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 122202212137 its reverse (731212202221), we get a palindrome (853414414358).

The spelling of 122202212137 in words is "one hundred twenty-two billion, two hundred two million, two hundred twelve thousand, one hundred thirty-seven".