122542212349 has 2 divisors, whose sum is σ = 122542212350. Its totient is φ = 122542212348.

The previous prime is 122542212343. The next prime is 122542212367. The reversal of 122542212349 is 943212245221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119875212900 + 2666999449 = 346230^2 + 51643^2 .

It is a cyclic number.

It is not a de Polignac number, because 122542212349 - 2²¹ = 122540115197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122542212343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61271106174 + 61271106175.

It is an arithmetic number, because the mean of its divisors is an integer number (61271106175).

Almost surely, 2^122542212349 is an apocalyptic number.

It is an amenable number.

122542212349 is a deficient number, since it is larger than the sum of its proper divisors (1).

122542212349 is an equidigital number, since it uses as much as digits as its factorization.

122542212349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The spelling of 122542212349 in words is "one hundred twenty-two billion, five hundred forty-two million, two hundred twelve thousand, three hundred forty-nine".