123222414121 has 4 divisors (see below), whose sum is σ = 123223180500. Its totient is φ = 123221647744.

The previous prime is 123222414109. The next prime is 123222414131. The reversal of 123222414121 is 121414222321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 121414222321 = 7 ⋅17344888903.

It can be written as a sum of positive squares in 2 ways, for example, as 28642177600 + 94580236521 = 169240^2 + 307539^2 .

It is a cyclic number.

It is not a de Polignac number, because 123222414121 - 2³³ = 114632479529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123222414131) 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, 38896 + ... + 497953.

It is an arithmetic number, because the mean of its divisors is an integer number (30805795125).

Almost surely, 2^123222414121 is an apocalyptic number.

It is an amenable number.

123222414121 is a deficient number, since it is larger than the sum of its proper divisors (766379).

123222414121 is an equidigital number, since it uses as much as digits as its factorization.

123222414121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766378.

The product of its digits is 1536, while the sum is 25.

Adding to 123222414121 its reverse (121414222321), we get a palindrome (244636636442).

The spelling of 123222414121 in words is "one hundred twenty-three billion, two hundred twenty-two million, four hundred fourteen thousand, one hundred twenty-one".