12031231022233 has 2 divisors, whose sum is σ = 12031231022234. Its totient is φ = 12031231022232.

The previous prime is 12031231022159. The next prime is 12031231022273. The reversal of 12031231022233 is 33222013213021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9822476250889 + 2208754771344 = 3134083^2 + 1486188^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031231022233 - 2²¹ = 12031228925081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12031231022198 and 12031231022207.

It is not a weakly prime, because it can be changed into another prime (12031231022273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015615511116 + 6015615511117.

It is an arithmetic number, because the mean of its divisors is an integer number (6015615511117).

Almost surely, 2^{12031231022233} is an apocalyptic number.

It is an amenable number.

12031231022233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031231022233 is an equidigital number, since it uses as much as digits as its factorization.

12031231022233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12031231022233 its reverse (33222013213021), we get a palindrome (45253244235254).

The spelling of 12031231022233 in words is "twelve trillion, thirty-one billion, two hundred thirty-one million, twenty-two thousand, two hundred thirty-three".