12232422423121 has 2 divisors, whose sum is σ = 12232422423122. Its totient is φ = 12232422423120.

The previous prime is 12232422423119. The next prime is 12232422423217. The reversal of 12232422423121 is 12132422423221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8426021423121 + 3806401000000 = 2902761^2 + 1951000^2 .

It is a cyclic number.

It is not a de Polignac number, because 12232422423121 - 2¹ = 12232422423119 is a prime.

Together with 12232422423119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12232422423721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116211211560 + 6116211211561.

It is an arithmetic number, because the mean of its divisors is an integer number (6116211211561).

Almost surely, 2^{12232422423121} is an apocalyptic number.

It is an amenable number.

12232422423121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232422423121 is an equidigital number, since it uses as much as digits as its factorization.

12232422423121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

Adding to 12232422423121 its reverse (12132422423221), we get a palindrome (24364844846342).

The spelling of 12232422423121 in words is "twelve trillion, two hundred thirty-two billion, four hundred twenty-two million, four hundred twenty-three thousand, one hundred twenty-one".