122443633336655 has 4 divisors (see below), whose sum is σ = 146932360003992. Its totient is φ = 97954906669320.

The previous prime is 122443633336643. The next prime is 122443633336663. The reversal of 122443633336655 is 556633336344221.

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

It is not a de Polignac number, because 122443633336655 - 2²⁰ = 122443632288079 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 122443633336655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12244363333661 + ... + 12244363333670.

It is an arithmetic number, because the mean of its divisors is an integer number (36733090000998).

Almost surely, 2^{122443633336655} is an apocalyptic number.

122443633336655 is a deficient number, since it is larger than the sum of its proper divisors (24488726667337).

122443633336655 is an equidigital number, since it uses as much as digits as its factorization.

122443633336655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24488726667336.

The product of its digits is 83980800, while the sum is 56.

The spelling of 122443633336655 in words is "one hundred twenty-two trillion, four hundred forty-three billion, six hundred thirty-three million, three hundred thirty-six thousand, six hundred fifty-five".