12210322291 has 2 divisors, whose sum is σ = 12210322292. Its totient is φ = 12210322290.

The previous prime is 12210322193. The next prime is 12210322309. The reversal of 12210322291 is 19222301221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12210322291 - 2²³ = 12201933683 is a prime.

It is not a weakly prime, because it can be changed into another prime (12210322391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105161145 + 6105161146.

It is an arithmetic number, because the mean of its divisors is an integer number (6105161146).

Almost surely, 2^12210322291 is an apocalyptic number.

12210322291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210322291 is an equidigital number, since it uses as much as digits as its factorization.

12210322291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 12210322291 in words is "twelve billion, two hundred ten million, three hundred twenty-two thousand, two hundred ninety-one".