12022221332 has 12 divisors (see below), whose sum is σ = 22951513536. Its totient is φ = 5464646040.

The previous prime is 12022221293. The next prime is 12022221359. The reversal of 12022221332 is 23312222021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136616108 + ... + 136616195.

It is an arithmetic number, because the mean of its divisors is an integer number (1912626128).

Almost surely, 2^12022221332 is an apocalyptic number.

It is an amenable number.

12022221332 is a deficient number, since it is larger than the sum of its proper divisors (10929292204).

12022221332 is a wasteful number, since it uses less digits than its factorization.

12022221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273232318 (or 273232316 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12022221332 its reverse (23312222021), we get a palindrome (35334443353).

The spelling of 12022221332 in words is "twelve billion, twenty-two million, two hundred twenty-one thousand, three hundred thirty-two".