12330331291 has 2 divisors, whose sum is σ = 12330331292. Its totient is φ = 12330331290.

The previous prime is 12330331283. The next prime is 12330331327. The reversal of 12330331291 is 19213303321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12330331291 - 2³ = 12330331283 is a prime.

It is not a weakly prime, because it can be changed into another prime (12330331201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165165645 + 6165165646.

It is an arithmetic number, because the mean of its divisors is an integer number (6165165646).

Almost surely, 2^12330331291 is an apocalyptic number.

12330331291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12330331291 is an equidigital number, since it uses as much as digits as its factorization.

12330331291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 12330331291 in words is "twelve billion, three hundred thirty million, three hundred thirty-one thousand, two hundred ninety-one".