12004332185 has 4 divisors (see below), whose sum is σ = 14405198628. Its totient is φ = 9603465744.

The previous prime is 12004332167. The next prime is 12004332199. The reversal of 12004332185 is 58123340021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58123340021 = 19 ⋅3059123159.

It can be written as a sum of positive squares in 2 ways, for example, as 8412008089 + 3592324096 = 91717^2 + 59936^2 .

It is a cyclic number.

It is not a de Polignac number, because 12004332185 - 2¹⁸ = 12004070041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200433214 + ... + 1200433223.

It is an arithmetic number, because the mean of its divisors is an integer number (3601299657).

Almost surely, 2^12004332185 is an apocalyptic number.

It is an amenable number.

12004332185 is a deficient number, since it is larger than the sum of its proper divisors (2400866443).

12004332185 is an equidigital number, since it uses as much as digits as its factorization.

12004332185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400866442.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 12004332185 in words is "twelve billion, four million, three hundred thirty-two thousand, one hundred eighty-five".