12116664233 has 2 divisors, whose sum is σ = 12116664234. Its totient is φ = 12116664232.

The previous prime is 12116664229. The next prime is 12116664299. The reversal of 12116664233 is 33246661121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8070686569 + 4045977664 = 89837^2 + 63608^2 .

It is an emirp because it is prime and its reverse (33246661121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12116664233 - 2² = 12116664229 is a prime.

It is a super-2 number, since 2×12116664233² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12116664193 and 12116664202.

It is not a weakly prime, because it can be changed into another prime (12116664533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6058332116 + 6058332117.

It is an arithmetic number, because the mean of its divisors is an integer number (6058332117).

Almost surely, 2^12116664233 is an apocalyptic number.

It is an amenable number.

12116664233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12116664233 is an equidigital number, since it uses as much as digits as its factorization.

12116664233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The spelling of 12116664233 in words is "twelve billion, one hundred sixteen million, six hundred sixty-four thousand, two hundred thirty-three".