12085210367985 has 32 divisors (see below), whose sum is σ = 19799055065088. Its totient is φ = 6292968776640.

The previous prime is 12085210367953. The next prime is 12085210368017. The reversal of 12085210367985 is 58976301258021.

It is an interprime number because it is at equal distance from previous prime (12085210367953) and next prime (12085210368017).

It is not a de Polignac number, because 12085210367985 - 2⁵ = 12085210367953 is a prime.

It is a super-2 number, since 2×12085210367985² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54975817 + ... + 55195206.

It is an arithmetic number, because the mean of its divisors is an integer number (618720470784).

Almost surely, 2^{12085210367985} is an apocalyptic number.

12085210367985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12085210367985 is a deficient number, since it is larger than the sum of its proper divisors (7713844697103).

12085210367985 is a wasteful number, since it uses less digits than its factorization.

12085210367985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110171205.

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 12085210367985 in words is "twelve trillion, eighty-five billion, two hundred ten million, three hundred sixty-seven thousand, nine hundred eighty-five".