122312124321 has 16 divisors (see below), whose sum is σ = 163453792320. Its totient is φ = 81356037440.

The previous prime is 122312124317. The next prime is 122312124323. The reversal of 122312124321 is 123421213221.

It is a cyclic number.

It is not a de Polignac number, because 122312124321 - 2² = 122312124317 is a prime.

It is a super-2 number, since 2×122312124321² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122312124291 and 122312124300.

It is not an unprimeable number, because it can be changed into a prime (122312124323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5824186 + ... + 5845148.

It is an arithmetic number, because the mean of its divisors is an integer number (10215862020).

Almost surely, 2^122312124321 is an apocalyptic number.

It is an amenable number.

122312124321 is a deficient number, since it is larger than the sum of its proper divisors (41141667999).

122312124321 is a wasteful number, since it uses less digits than its factorization.

122312124321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25296.

The product of its digits is 1152, while the sum is 24.

Adding to 122312124321 its reverse (123421213221), we get a palindrome (245733337542).

The spelling of 122312124321 in words is "one hundred twenty-two billion, three hundred twelve million, one hundred twenty-four thousand, three hundred twenty-one".