3221244204312 has 64 divisors (see below), whose sum is σ = 8477197488000. Its totient is φ = 1017206325504.

The previous prime is 3221244204287. The next prime is 3221244204313. The reversal of 3221244204312 is 2134024421223.

It is a self number, because there is not a number n which added to its sum of digits gives 3221244204312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221244204313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20969239 + ... + 21122297.

It is an arithmetic number, because the mean of its divisors is an integer number (132456210750).

Almost surely, 2^{3221244204312} is an apocalyptic number.

It is an amenable number.

3221244204312 is an abundant number, since it is smaller than the sum of its proper divisors (5255953283688).

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

3221244204312 is a wasteful number, since it uses less digits than its factorization.

3221244204312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199240 (or 199236 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 3221244204312 its reverse (2134024421223), we get a palindrome (5355268625535).

The spelling of 3221244204312 in words is "three trillion, two hundred twenty-one billion, two hundred forty-four million, two hundred four thousand, three hundred twelve".