32221200996 has 144 divisors (see below), whose sum is σ = 87829647360. Its totient is φ = 9927852480.

The previous prime is 32221200983. The next prime is 32221201007. The reversal of 32221200996 is 69900212223.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 32221200996.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11796951 + ... + 11799681.

Almost surely, 2^32221200996 is an apocalyptic number.

32221200996 is a gapful number since it is divisible by the number (36) 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 32221200996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43914823680).

32221200996 is an abundant number, since it is smaller than the sum of its proper divisors (55608446364).

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

32221200996 is a wasteful number, since it uses less digits than its factorization.

32221200996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 32221200996 in words is "thirty-two billion, two hundred twenty-one million, two hundred thousand, nine hundred ninety-six".