12021000984 has 48 divisors (see below), whose sum is σ = 32677959600. Its totient is φ = 3992097984.

The previous prime is 12021000973. The next prime is 12021001043. The reversal of 12021000984 is 48900012021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290964 + ... + 329699.

It is an arithmetic number, because the mean of its divisors is an integer number (680790825).

Almost surely, 2^12021000984 is an apocalyptic number.

It is an amenable number.

12021000984 is an abundant number, since it is smaller than the sum of its proper divisors (20656958616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12021000984 is a wasteful number, since it uses less digits than its factorization.

12021000984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620944 (or 620937 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 12021000984 in words is "twelve billion, twenty-one million, nine hundred eighty-four", and thus it is an aban number.