3212221100000 has 144 divisors (see below), whose sum is σ = 8623169613072. Its totient is φ = 1168080000000.

The previous prime is 3212221099987. The next prime is 3212221100021. The reversal of 3212221100000 is 11222123.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360101 + ... + 2560100.

It is an arithmetic number, because the mean of its divisors is an integer number (59883122313).

Almost surely, 2^{3212221100000} 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 3212221100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4311584806536).

3212221100000 is an abundant number, since it is smaller than the sum of its proper divisors (5410948513072).

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

3212221100000 is an equidigital number, since it uses as much as digits as its factorization.

3212221100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920247 (or 2920219 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 3212221100000 its reverse (11222123), we get a palindrome (3212232322123).

The spelling of 3212221100000 in words is "three trillion, two hundred twelve billion, two hundred twenty-one million, one hundred thousand".