122432242255 has 4 divisors (see below), whose sum is σ = 146918690712. Its totient is φ = 97945793800.

The previous prime is 122432242189. The next prime is 122432242297. The reversal of 122432242255 is 552242234221.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-122432242255 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122432242255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12243224221 + ... + 12243224230.

It is an arithmetic number, because the mean of its divisors is an integer number (36729672678).

Almost surely, 2^122432242255 is an apocalyptic number.

122432242255 is a deficient number, since it is larger than the sum of its proper divisors (24486448457).

122432242255 is an equidigital number, since it uses as much as digits as its factorization.

122432242255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24486448456.

The product of its digits is 76800, while the sum is 34.

Adding to 122432242255 its reverse (552242234221), we get a palindrome (674674476476).

The spelling of 122432242255 in words is "one hundred twenty-two billion, four hundred thirty-two million, two hundred forty-two thousand, two hundred fifty-five".