12223321032 has 128 divisors (see below), whose sum is σ = 33560352000. Its totient is φ = 3686999040.

The previous prime is 12223321031. The next prime is 12223321037. The reversal of 12223321032 is 23012332221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12223321031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6831594 + ... + 6833382.

It is an arithmetic number, because the mean of its divisors is an integer number (262190250).

Almost surely, 2^12223321032 is an apocalyptic number.

12223321032 is a gapful number since it is divisible by the number (12) 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 12223321032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16780176000).

12223321032 is an abundant number, since it is smaller than the sum of its proper divisors (21337030968).

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

12223321032 is a wasteful number, since it uses less digits than its factorization.

12223321032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231 (or 2227 counting only the distinct ones).

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

Adding to 12223321032 its reverse (23012332221), we get a palindrome (35235653253).

The spelling of 12223321032 in words is "twelve billion, two hundred twenty-three million, three hundred twenty-one thousand, thirty-two".