12331232310121 has 2 divisors, whose sum is σ = 12331232310122. Its totient is φ = 12331232310120.

The previous prime is 12331232310119. The next prime is 12331232310127. The reversal of 12331232310121 is 12101323213321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11990041976896 + 341190333225 = 3462664^2 + 584115^2 .

It is a cyclic number.

It is not a de Polignac number, because 12331232310121 - 2¹ = 12331232310119 is a prime.

Together with 12331232310119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12331232310127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165616155060 + 6165616155061.

It is an arithmetic number, because the mean of its divisors is an integer number (6165616155061).

Almost surely, 2^{12331232310121} is an apocalyptic number.

It is an amenable number.

12331232310121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331232310121 is an equidigital number, since it uses as much as digits as its factorization.

12331232310121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12331232310121 its reverse (12101323213321), we get a palindrome (24432555523442).

The spelling of 12331232310121 in words is "twelve trillion, three hundred thirty-one billion, two hundred thirty-two million, three hundred ten thousand, one hundred twenty-one".