12001983784000 has 112 divisors (see below), whose sum is σ = 33969043405440. Its totient is φ = 4114965849600.

The previous prime is 12001983783917. The next prime is 12001983784001. The reversal of 12001983784000 is 48738910021.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×12001983784000² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12001983784001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107104570 + ... + 107216569.

Almost surely, 2^{12001983784000} is an apocalyptic number.

12001983784000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001983784000 is an abundant number, since it is smaller than the sum of its proper divisors (21967059621440).

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

12001983784000 is an equidigital number, since it uses as much as digits as its factorization.

12001983784000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214321173 (or 214321153 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 12001983784000 in words is "twelve trillion, one billion, nine hundred eighty-three million, seven hundred eighty-four thousand".