12021329983 has 32 divisors (see below), whose sum is σ = 13767667200. Its totient is φ = 10412688000.

The previous prime is 12021329899. The next prime is 12021330019. The reversal of 12021329983 is 38992312021.

It is not a de Polignac number, because 12021329983 - 2⁹ = 12021329471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021329083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3696108 + ... + 3699358.

It is an arithmetic number, because the mean of its divisors is an integer number (430239600).

Almost surely, 2^12021329983 is an apocalyptic number.

12021329983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12021329983 is a deficient number, since it is larger than the sum of its proper divisors (1746337217).

12021329983 is a wasteful number, since it uses less digits than its factorization.

12021329983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 12021329983 in words is "twelve billion, twenty-one million, three hundred twenty-nine thousand, nine hundred eighty-three".