12321133121287 has 2 divisors, whose sum is σ = 12321133121288. Its totient is φ = 12321133121286.

The previous prime is 12321133121147. The next prime is 12321133121293. The reversal of 12321133121287 is 78212133112321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321133121287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12321133121387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160566560643 + 6160566560644.

It is an arithmetic number, because the mean of its divisors is an integer number (6160566560644).

Almost surely, 2^{12321133121287} is an apocalyptic number.

12321133121287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321133121287 is an equidigital number, since it uses as much as digits as its factorization.

12321133121287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The spelling of 12321133121287 in words is "twelve trillion, three hundred twenty-one billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred eighty-seven".