32221023312 has 20 divisors (see below), whose sum is σ = 83237643680. Its totient is φ = 10740341088.

The previous prime is 32221023299. The next prime is 32221023377. The reversal of 32221023312 is 21332012223.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335635612 + ... + 335635707.

It is an arithmetic number, because the mean of its divisors is an integer number (4161882184).

Almost surely, 2^32221023312 is an apocalyptic number.

It is an amenable number.

32221023312 is an abundant number, since it is smaller than the sum of its proper divisors (51016620368).

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

32221023312 is a wasteful number, since it uses less digits than its factorization.

32221023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671271330 (or 671271324 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32221023312 its reverse (21332012223), we get a palindrome (53553035535).

The spelling of 32221023312 in words is "thirty-two billion, two hundred twenty-one million, twenty-three thousand, three hundred twelve".