122222312440321 has 8 divisors (see below), whose sum is σ = 122300459534880. Its totient is φ = 122144190254688.

The previous prime is 122222312440297. The next prime is 122222312440337. The reversal of 122222312440321 is 123044213222221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122222312440321 - 2¹⁵ = 122222312407553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222312440391) 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 7 ways as a sum of consecutive naturals, for example, 3594390 + ... + 16042576.

It is an arithmetic number, because the mean of its divisors is an integer number (15287557441860).

Almost surely, 2^{122222312440321} is an apocalyptic number.

It is an amenable number.

122222312440321 is a deficient number, since it is larger than the sum of its proper divisors (78147094559).

122222312440321 is a wasteful number, since it uses less digits than its factorization.

122222312440321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12454463.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 122222312440321 its reverse (123044213222221), we get a palindrome (245266525662542).

The spelling of 122222312440321 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, three hundred twelve million, four hundred forty thousand, three hundred twenty-one".