12220321132 has 12 divisors (see below), whose sum is σ = 21387422056. Its totient is φ = 6109629120.

The previous prime is 12220321109. The next prime is 12220321147. The reversal of 12220321132 is 23112302221.

12220321132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12220321132² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78669 + ... + 175012.

Almost surely, 2^12220321132 is an apocalyptic number.

It is an amenable number.

12220321132 is a deficient number, since it is larger than the sum of its proper divisors (9167100924).

12220321132 is a wasteful number, since it uses less digits than its factorization.

12220321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265728 (or 265726 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12220321132 its reverse (23112302221), we get a palindrome (35332623353).

The spelling of 12220321132 in words is "twelve billion, two hundred twenty million, three hundred twenty-one thousand, one hundred thirty-two".