12231333091 has 2 divisors, whose sum is σ = 12231333092. Its totient is φ = 12231333090.

The previous prime is 12231333089. The next prime is 12231333131. The reversal of 12231333091 is 19033313221.

12231333091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12231333091 - 2¹ = 12231333089 is a prime.

It is a super-2 number, since 2×12231333091² (a number of 21 digits) contains 22 as substring.

Together with 12231333089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12231334091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115666545 + 6115666546.

It is an arithmetic number, because the mean of its divisors is an integer number (6115666546).

Almost surely, 2^12231333091 is an apocalyptic number.

12231333091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231333091 is an equidigital number, since it uses as much as digits as its factorization.

12231333091 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 12231333091 in words is "twelve billion, two hundred thirty-one million, three hundred thirty-three thousand, ninety-one".