122312321 has 8 divisors (see below), whose sum is σ = 127855104. Its totient is φ = 116788320.

The previous prime is 122312299. The next prime is 122312341. The reversal of 122312321 is 123213221.

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 122312321 - 2¹⁰ = 122311297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122312321.

It is not an unprimeable number, because it can be changed into a prime (122312341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9581 + ... + 18341.

It is an arithmetic number, because the mean of its divisors is an integer number (15981888).

Almost surely, 2^122312321 is an apocalyptic number.

It is an amenable number.

122312321 is a deficient number, since it is larger than the sum of its proper divisors (5542783).

122312321 is an equidigital number, since it uses as much as digits as its factorization.

122312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9391.

The product of its digits is 144, while the sum is 17.

The square root of 122312321 is about 11059.4900877030. The cubic root of 122312321 is about 496.3904327539.

Adding to 122312321 its reverse (123213221), we get a palindrome (245525542).

The spelling of 122312321 in words is "one hundred twenty-two million, three hundred twelve thousand, three hundred twenty-one".