32222129912 has 96 divisors (see below), whose sum is σ = 74669817600. Its totient is φ = 12972766464.

The previous prime is 32222129911. The next prime is 32222130013. The reversal of 32222129912 is 21992122223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32222129911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382313 + ... + 458919.

It is an arithmetic number, because the mean of its divisors is an integer number (777810600).

Almost surely, 2^32222129912 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 32222129912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37334908800).

32222129912 is an abundant number, since it is smaller than the sum of its proper divisors (42447687688).

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

32222129912 is a wasteful number, since it uses less digits than its factorization.

32222129912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76693 (or 76682 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The spelling of 32222129912 in words is "thirty-two billion, two hundred twenty-two million, one hundred twenty-nine thousand, nine hundred twelve".