12021924992 has 384 divisors, whose sum is σ = 32124288000. Its totient is φ = 4470681600.

The previous prime is 12021924923. The next prime is 12021924997. The reversal of 12021924992 is 29942912021.

It is not an unprimeable number, because it can be changed into a prime (12021924997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164683868 + ... + 164683940.

It is an arithmetic number, because the mean of its divisors is an integer number (83657000).

Almost surely, 2^12021924992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12021924992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16062144000).

12021924992 is an abundant number, since it is smaller than the sum of its proper divisors (20102363008).

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

12021924992 is an equidigital number, since it uses as much as digits as its factorization.

12021924992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 12021924992 in words is "twelve billion, twenty-one million, nine hundred twenty-four thousand, nine hundred ninety-two".