12005271116 has 6 divisors (see below), whose sum is σ = 21009224460. Its totient is φ = 6002635556.

The previous prime is 12005271067. The next prime is 12005271151. The reversal of 12005271116 is 61117250021.

12005271116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1500658886 + ... + 1500658893.

It is an arithmetic number, because the mean of its divisors is an integer number (3501537410).

Almost surely, 2^12005271116 is an apocalyptic number.

It is an amenable number.

12005271116 is a deficient number, since it is larger than the sum of its proper divisors (9003953344).

12005271116 is a wasteful number, since it uses less digits than its factorization.

12005271116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001317783 (or 3001317781 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

The spelling of 12005271116 in words is "twelve billion, five million, two hundred seventy-one thousand, one hundred sixteen".