12011112320985 has 24 divisors (see below), whose sum is σ = 20823423102144. Its totient is φ = 6404646034080.

The previous prime is 12011112320953. The next prime is 12011112321073. The reversal of 12011112320985 is 58902321111021.

12011112320985 is a `hidden beast` number, since 120 + 11 + 112 + 320 + 98 + 5 = 666.

It is not a de Polignac number, because 12011112320985 - 2⁵ = 12011112320953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26450221 + ... + 26900490.

It is an arithmetic number, because the mean of its divisors is an integer number (867642629256).

Almost surely, 2^{12011112320985} is an apocalyptic number.

12011112320985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12011112320985 is a deficient number, since it is larger than the sum of its proper divisors (8812310781159).

12011112320985 is a wasteful number, since it uses less digits than its factorization.

12011112320985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53355725 (or 53355722 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The spelling of 12011112320985 in words is "twelve trillion, eleven billion, one hundred twelve million, three hundred twenty thousand, nine hundred eighty-five".