12021024000 has 144 divisors (see below), whose sum is σ = 39928150080. Its totient is φ = 3205580800.

The previous prime is 12021023999. The next prime is 12021024007. The reversal of 12021024000 is 42012021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021024007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33391 + ... + 158609.

It is an arithmetic number, because the mean of its divisors is an integer number (277278820).

Almost surely, 2^12021024000 is an apocalyptic number.

12021024000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12021024000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19964075040).

12021024000 is an abundant number, since it is smaller than the sum of its proper divisors (27907126080).

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

12021024000 is an equidigital number, since it uses as much as digits as its factorization.

12021024000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125253 (or 125229 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12021024000 its reverse (42012021), we get a palindrome (12063036021).

The spelling of 12021024000 in words is "twelve billion, twenty-one million, twenty-four thousand".