12004847665 has 8 divisors (see below), whose sum is σ = 14410126080. Its totient is φ = 9601005552.

The previous prime is 12004847639. The next prime is 12004847669. The reversal of 12004847665 is 56674840021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12004847665 - 2¹⁷ = 12004716593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12004847669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340599 + ... + 374188.

It is an arithmetic number, because the mean of its divisors is an integer number (1801265760).

Almost surely, 2^12004847665 is an apocalyptic number.

It is an amenable number.

12004847665 is a deficient number, since it is larger than the sum of its proper divisors (2405278415).

12004847665 is an equidigital number, since it uses as much as digits as its factorization.

12004847665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718151.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 12004847665 in words is "twelve billion, four million, eight hundred forty-seven thousand, six hundred sixty-five".