3220021200000 has 1536 divisors, whose sum is σ = 12644640691200. Its totient is φ = 717465600000.

The previous prime is 3220021199977. The next prime is 3220021200001. The reversal of 3220021200000 is 21200223.

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

It is not an unprimeable number, because it can be changed into a prime (3220021200001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9279599827 + ... + 9279600173.

It is an arithmetic number, because the mean of its divisors is an integer number (8232187950).

Almost surely, 2^{3220021200000} is an apocalyptic number.

3220021200000 is a gapful number since it is divisible by the number (30) 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 3220021200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6322320345600).

3220021200000 is an abundant number, since it is smaller than the sum of its proper divisors (9424619491200).

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

3220021200000 is a wasteful number, since it uses less digits than its factorization.

3220021200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 3220021200000 its reverse (21200223), we get a palindrome (3220042400223).

The spelling of 3220021200000 in words is "three trillion, two hundred twenty billion, twenty-one million, two hundred thousand".