12221341232 has 20 divisors (see below), whose sum is σ = 24125621040. Its totient is φ = 5995374528.

The previous prime is 12221341219. The next prime is 12221341289. The reversal of 12221341232 is 23214312221.

12221341232 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 2×12221341232² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12221341198 and 12221341207.

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, 7205132 + ... + 7206827.

It is an arithmetic number, because the mean of its divisors is an integer number (1206281052).

Almost surely, 2^12221341232 is an apocalyptic number.

It is an amenable number.

12221341232 is a deficient number, since it is larger than the sum of its proper divisors (11904279808).

12221341232 is a wasteful number, since it uses less digits than its factorization.

12221341232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14412020 (or 14412014 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

Adding to 12221341232 its reverse (23214312221), we get a palindrome (35435653453).

The spelling of 12221341232 in words is "twelve billion, two hundred twenty-one million, three hundred forty-one thousand, two hundred thirty-two".