12231213033233 has 2 divisors, whose sum is σ = 12231213033234. Its totient is φ = 12231213033232.

The previous prime is 12231213033203. The next prime is 12231213033257. The reversal of 12231213033233 is 33233031213221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12031303892689 + 199909140544 = 3468617^2 + 447112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12231213033233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12231213033196 and 12231213033205.

It is not a weakly prime, because it can be changed into another prime (12231213033203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115606516616 + 6115606516617.

It is an arithmetic number, because the mean of its divisors is an integer number (6115606516617).

Almost surely, 2^{12231213033233} is an apocalyptic number.

It is an amenable number.

12231213033233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231213033233 is an equidigital number, since it uses as much as digits as its factorization.

12231213033233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 12231213033233 its reverse (33233031213221), we get a palindrome (45464244246454).

The spelling of 12231213033233 in words is "twelve trillion, two hundred thirty-one billion, two hundred thirteen million, thirty-three thousand, two hundred thirty-three".