12307730566 has 4 divisors (see below), whose sum is σ = 18461595852. Its totient is φ = 6153865282.

The previous prime is 12307730563. The next prime is 12307730569. The reversal of 12307730566 is 66503770321.

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

It is an interprime number because it is at equal distance from previous prime (12307730563) and next prime (12307730569).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12307730563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3076932640 + ... + 3076932643.

It is an arithmetic number, because the mean of its divisors is an integer number (4615398963).

Almost surely, 2^12307730566 is an apocalyptic number.

12307730566 is a deficient number, since it is larger than the sum of its proper divisors (6153865286).

12307730566 is an equidigital number, since it uses as much as digits as its factorization.

12307730566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6153865285.

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 12307730566 in words is "twelve billion, three hundred seven million, seven hundred thirty thousand, five hundred sixty-six".