12032222220 has 96 divisors (see below), whose sum is σ = 37449699840. Its totient is φ = 3207211200.

The previous prime is 12032222197. The next prime is 12032222227. The reversal of 12032222220 is 2222223021.

12032222220 is a `hidden beast` number, since 120 + 322 + 2 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12032222193 and 12032222202.

It is not an unprimeable number, because it can be changed into a prime (12032222227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2126395 + ... + 2132045.

It is an arithmetic number, because the mean of its divisors is an integer number (390101040).

Almost surely, 2^12032222220 is an apocalyptic number.

12032222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12032222220 is an abundant number, since it is smaller than the sum of its proper divisors (25417477620).

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

12032222220 is a wasteful number, since it uses less digits than its factorization.

12032222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9612 (or 9604 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12032222220 its reverse (2222223021), we get a palindrome (14254445241).

The spelling of 12032222220 in words is "twelve billion, thirty-two million, two hundred twenty-two thousand, two hundred twenty".