12210586691 has 2 divisors, whose sum is σ = 12210586692. Its totient is φ = 12210586690.

The previous prime is 12210586681. The next prime is 12210586693. The reversal of 12210586691 is 19668501221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12210586691 - 2⁶ = 12210586627 is a prime.

Together with 12210586693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12210586693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105293345 + 6105293346.

It is an arithmetic number, because the mean of its divisors is an integer number (6105293346).

Almost surely, 2^12210586691 is an apocalyptic number.

12210586691 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210586691 is an equidigital number, since it uses as much as digits as its factorization.

12210586691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 12210586691 in words is "twelve billion, two hundred ten million, five hundred eighty-six thousand, six hundred ninety-one".