122312223142321 has 4 divisors (see below), whose sum is σ = 122520591495792. Its totient is φ = 122103854788852.

The previous prime is 122312223142313. The next prime is 122312223142399. The reversal of 122312223142321 is 123241322213221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122312223142321 - 2³ = 122312223142313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122312223142721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104184175855 + ... + 104184177028.

It is an arithmetic number, because the mean of its divisors is an integer number (30630147873948).

Almost surely, 2^{122312223142321} is an apocalyptic number.

It is an amenable number.

122312223142321 is a deficient number, since it is larger than the sum of its proper divisors (208368353471).

122312223142321 is an equidigital number, since it uses as much as digits as its factorization.

122312223142321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208368353470.

The product of its digits is 13824, while the sum is 31.

Adding to 122312223142321 its reverse (123241322213221), we get a palindrome (245553545355542).

The spelling of 122312223142321 in words is "one hundred twenty-two trillion, three hundred twelve billion, two hundred twenty-three million, one hundred forty-two thousand, three hundred twenty-one".