12001158085 has 32 divisors (see below), whose sum is σ = 16783656192. Its totient is φ = 8067171840.

The previous prime is 12001158019. The next prime is 12001158089. The reversal of 12001158085 is 58085110021.

12001158085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12001158085 - 2²⁷ = 11866940357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001158089) 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 31 ways as a sum of consecutive naturals, for example, 3090345 + ... + 3094225.

It is an arithmetic number, because the mean of its divisors is an integer number (524489256).

Almost surely, 2^12001158085 is an apocalyptic number.

It is an amenable number.

12001158085 is a deficient number, since it is larger than the sum of its proper divisors (4782498107).

12001158085 is a wasteful number, since it uses less digits than its factorization.

12001158085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613.

The product of its (nonzero) digits is 3200, while the sum is 31.

The spelling of 12001158085 in words is "twelve billion, one million, one hundred fifty-eight thousand, eighty-five".