12082585187 has 4 divisors (see below), whose sum is σ = 12280660416. Its totient is φ = 11884509960.

The previous prime is 12082585181. The next prime is 12082585189. The reversal of 12082585187 is 78158528021.

It is a happy number.

12082585187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12082585187 - 2⁴ = 12082585171 is a prime.

It is a super-2 number, since 2×12082585187² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12082585181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99037523 + ... + 99037644.

It is an arithmetic number, because the mean of its divisors is an integer number (3070165104).

Almost surely, 2^12082585187 is an apocalyptic number.

12082585187 is a deficient number, since it is larger than the sum of its proper divisors (198075229).

12082585187 is an equidigital number, since it uses as much as digits as its factorization.

12082585187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198075228.

The product of its (nonzero) digits is 358400, while the sum is 47.

The spelling of 12082585187 in words is "twelve billion, eighty-two million, five hundred eighty-five thousand, one hundred eighty-seven".