12366128233 has 2 divisors, whose sum is σ = 12366128234. Its totient is φ = 12366128232.

The previous prime is 12366128161. The next prime is 12366128249. The reversal of 12366128233 is 33282166321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12321666009 + 44462224 = 111003^2 + 6668^2 .

It is a cyclic number.

It is not a de Polignac number, because 12366128233 - 2²¹ = 12364031081 is a prime.

It is a super-2 number, since 2×12366128233² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12366128192 and 12366128201.

It is not a weakly prime, because it can be changed into another prime (12366128633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6183064116 + 6183064117.

It is an arithmetic number, because the mean of its divisors is an integer number (6183064117).

Almost surely, 2^12366128233 is an apocalyptic number.

It is an amenable number.

12366128233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12366128233 is an equidigital number, since it uses as much as digits as its factorization.

12366128233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The spelling of 12366128233 in words is "twelve billion, three hundred sixty-six million, one hundred twenty-eight thousand, two hundred thirty-three".