12210633691 has 4 divisors (see below), whose sum is σ = 12741530832. Its totient is φ = 11679736552.

The previous prime is 12210633667. The next prime is 12210633713. The reversal of 12210633691 is 19633601221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12210633691 - 2³¹ = 10063150043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211633691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265448536 + ... + 265448581.

It is an arithmetic number, because the mean of its divisors is an integer number (3185382708).

Almost surely, 2^12210633691 is an apocalyptic number.

12210633691 is a deficient number, since it is larger than the sum of its proper divisors (530897141).

12210633691 is an equidigital number, since it uses as much as digits as its factorization.

12210633691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530897140.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 12210633691 in words is "twelve billion, two hundred ten million, six hundred thirty-three thousand, six hundred ninety-one".