12132321233 has 2 divisors, whose sum is σ = 12132321234. Its totient is φ = 12132321232.

The previous prime is 12132321211. The next prime is 12132321241. The reversal of 12132321233 is 33212323121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6081348289 + 6050972944 = 77983^2 + 77788^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132321233 - 2²² = 12128126929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12132321199 and 12132321208.

It is not a weakly prime, because it can be changed into another prime (12132321203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066160616 + 6066160617.

It is an arithmetic number, because the mean of its divisors is an integer number (6066160617).

Almost surely, 2^12132321233 is an apocalyptic number.

It is an amenable number.

12132321233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132321233 is an equidigital number, since it uses as much as digits as its factorization.

12132321233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

Adding to 12132321233 its reverse (33212323121), we get a palindrome (45344644354).

The spelling of 12132321233 in words is "twelve billion, one hundred thirty-two million, three hundred twenty-one thousand, two hundred thirty-three".