12000001021984 has 24 divisors (see below), whose sum is σ = 23628135361068. Its totient is φ = 5999204739840.

The previous prime is 12000001021949. The next prime is 12000001021993. The reversal of 12000001021984 is 48912010000021.

12000001021984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11878637971600 + 121363050384 = 3446540^2 + 348372^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24622767 + ... + 25105390.

Almost surely, 2^{12000001021984} is an apocalyptic number.

It is an amenable number.

12000001021984 is a deficient number, since it is larger than the sum of its proper divisors (11628134339084).

12000001021984 is an equidigital number, since it uses as much as digits as its factorization.

12000001021984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49735708 (or 49735700 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 12000001021984 in words is "twelve trillion, one million, twenty-one thousand, nine hundred eighty-four".