122312230221 has 16 divisors (see below), whose sum is σ = 164545786944. Its totient is φ = 80810252544.

The previous prime is 122312230217. The next prime is 122312230223. The reversal of 122312230221 is 122032213221.

It is not a de Polignac number, because 122312230221 - 2² = 122312230217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312230223) 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 15 ways as a sum of consecutive naturals, for example, 3861370 + ... + 3892916.

It is an arithmetic number, because the mean of its divisors is an integer number (10284111684).

Almost surely, 2^122312230221 is an apocalyptic number.

It is an amenable number.

122312230221 is a deficient number, since it is larger than the sum of its proper divisors (42233556723).

122312230221 is a wasteful number, since it uses less digits than its factorization.

122312230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43100.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122312230221 its reverse (122032213221), we get a palindrome (244344443442).

The spelling of 122312230221 in words is "one hundred twenty-two billion, three hundred twelve million, two hundred thirty thousand, two hundred twenty-one".