122024312321 has 4 divisors (see below), whose sum is σ = 123395372100. Its totient is φ = 120653252544.

The previous prime is 122024312317. The next prime is 122024312327. The reversal of 122024312321 is 123213420221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43714446400 + 78309865921 = 209080^2 + 279839^2 .

It is a cyclic number.

It is not a de Polignac number, because 122024312321 - 2² = 122024312317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122024312327) 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, 685529756 + ... + 685529933.

It is an arithmetic number, because the mean of its divisors is an integer number (30848843025).

Almost surely, 2^122024312321 is an apocalyptic number.

It is an amenable number.

122024312321 is a deficient number, since it is larger than the sum of its proper divisors (1371059779).

122024312321 is an equidigital number, since it uses as much as digits as its factorization.

122024312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371059778.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 122024312321 its reverse (123213420221), we get a palindrome (245237732542).

The spelling of 122024312321 in words is "one hundred twenty-two billion, twenty-four million, three hundred twelve thousand, three hundred twenty-one".