32221113012 has 96 divisors (see below), whose sum is σ = 93069527040. Its totient is φ = 9556212960.

The previous prime is 32221112999. The next prime is 32221113049. The reversal of 32221113012 is 21031112223.

32221113012 is a `hidden beast` number, since 322 + 211 + 130 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232698 + ... + 344369.

It is an arithmetic number, because the mean of its divisors is an integer number (969474240).

Almost surely, 2^32221113012 is an apocalyptic number.

It is an amenable number.

32221113012 is an abundant number, since it is smaller than the sum of its proper divisors (60848414028).

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

32221113012 is a wasteful number, since it uses less digits than its factorization.

32221113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577138 (or 577130 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 32221113012 its reverse (21031112223), we get a palindrome (53252225235).

The spelling of 32221113012 in words is "thirty-two billion, two hundred twenty-one million, one hundred thirteen thousand, twelve".