122444440399 has 4 divisors (see below), whose sum is σ = 122619112200. Its totient is φ = 122269768600.

The previous prime is 122444440379. The next prime is 122444440403. The reversal of 122444440399 is 993044444221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993044444221 = 37 ⋅26839039033.

It is a cyclic number.

It is not a de Polignac number, because 122444440399 - 2⁷ = 122444440271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122444440379) by changing a digit.

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, 87334849 + ... + 87336250.

It is an arithmetic number, because the mean of its divisors is an integer number (30654778050).

Almost surely, 2^122444440399 is an apocalyptic number.

122444440399 is a deficient number, since it is larger than the sum of its proper divisors (174671801).

122444440399 is an equidigital number, since it uses as much as digits as its factorization.

122444440399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174671800.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 122444440399 in words is "one hundred twenty-two billion, four hundred forty-four million, four hundred forty thousand, three hundred ninety-nine".