12032211220 has 48 divisors (see below), whose sum is σ = 25427162880. Its totient is φ = 4782589056.

The previous prime is 12032211211. The next prime is 12032211221. The reversal of 12032211220 is 2211223021.

It is a happy number.

12032211220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12032211194 and 12032211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032211221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2497534 + ... + 2502346.

It is an arithmetic number, because the mean of its divisors is an integer number (529732560).

Almost surely, 2^12032211220 is an apocalyptic number.

12032211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12032211220 is an abundant number, since it is smaller than the sum of its proper divisors (13394951660).

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

12032211220 is a wasteful number, since it uses less digits than its factorization.

12032211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584 (or 5582 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12032211220 its reverse (2211223021), we get a palindrome (14243434241).

The spelling of 12032211220 in words is "twelve billion, thirty-two million, two hundred eleven thousand, two hundred twenty".