3221203312000 has 256 divisors, whose sum is σ = 8092220086080. Its totient is φ = 1275083980800.

The previous prime is 3221203311941. The next prime is 3221203312003. The reversal of 3221203312000 is 2133021223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221203312003) 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, 1802575107 + ... + 1802576893.

Almost surely, 2^{3221203312000} 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 3221203312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4046110043040).

3221203312000 is an abundant number, since it is smaller than the sum of its proper divisors (4871016774080).

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

3221203312000 is a wasteful number, since it uses less digits than its factorization.

3221203312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926 (or 2904 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 3221203312000 its reverse (2133021223), we get a palindrome (3223336333223).

The spelling of 3221203312000 in words is "three trillion, two hundred twenty-one billion, two hundred three million, three hundred twelve thousand".