12303210091 has 2 divisors, whose sum is σ = 12303210092. Its totient is φ = 12303210090.

The previous prime is 12303210077. The next prime is 12303210113. The reversal of 12303210091 is 19001230321.

It is an a-pointer prime, because the next prime (12303210113) can be obtained adding 12303210091 to its sum of digits (22).

It is a weak prime.

It is an emirp because it is prime and its reverse (19001230321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12303210091 - 2¹⁹ = 12302685803 is a prime.

It is not a weakly prime, because it can be changed into another prime (12303210041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151605045 + 6151605046.

It is an arithmetic number, because the mean of its divisors is an integer number (6151605046).

Almost surely, 2^12303210091 is an apocalyptic number.

12303210091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303210091 is an equidigital number, since it uses as much as digits as its factorization.

12303210091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 12303210091 in words is "twelve billion, three hundred three million, two hundred ten thousand, ninety-one".