12221330332 has 24 divisors (see below), whose sum is σ = 21692286000. Its totient is φ = 6023627136.

The previous prime is 12221330281. The next prime is 12221330339. The reversal of 12221330332 is 23303312221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221330339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567294 + ... + 588442.

It is an arithmetic number, because the mean of its divisors is an integer number (903845250).

Almost surely, 2^12221330332 is an apocalyptic number.

It is an amenable number.

12221330332 is a deficient number, since it is larger than the sum of its proper divisors (9470955668).

12221330332 is a wasteful number, since it uses less digits than its factorization.

12221330332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23205 (or 23203 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12221330332 its reverse (23303312221), we get a palindrome (35524642553).

The spelling of 12221330332 in words is "twelve billion, two hundred twenty-one million, three hundred thirty thousand, three hundred thirty-two".