122013242173 has 2 divisors, whose sum is σ = 122013242174. Its totient is φ = 122013242172.

The previous prime is 122013242171. The next prime is 122013242207. The reversal of 122013242173 is 371242310221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122009092804 + 4149369 = 349298^2 + 2037^2 .

It is a cyclic number.

It is not a de Polignac number, because 122013242173 - 2¹ = 122013242171 is a prime.

Together with 122013242171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122013242171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006621086 + 61006621087.

It is an arithmetic number, because the mean of its divisors is an integer number (61006621087).

Almost surely, 2^122013242173 is an apocalyptic number.

It is an amenable number.

122013242173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122013242173 is an equidigital number, since it uses as much as digits as its factorization.

122013242173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 122013242173 its reverse (371242310221), we get a palindrome (493255552394).

The spelling of 122013242173 in words is "one hundred twenty-two billion, thirteen million, two hundred forty-two thousand, one hundred seventy-three".