12032220222 has 32 divisors (see below), whose sum is σ = 29169020160. Its totient is φ = 3646127160.

The previous prime is 12032220191. The next prime is 12032220223. The reversal of 12032220222 is 22202223021.

12032220222 is a `hidden beast` number, since 120 + 322 + 2 + 0 + 222 = 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 = 12032220195 and 12032220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032220223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10127538 + ... + 10128725.

It is an arithmetic number, because the mean of its divisors is an integer number (911531880).

Almost surely, 2^12032220222 is an apocalyptic number.

12032220222 is an abundant number, since it is smaller than the sum of its proper divisors (17136799938).

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

12032220222 is a wasteful number, since it uses less digits than its factorization.

12032220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20256285 (or 20256279 counting only the distinct ones).

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

Adding to 12032220222 its reverse (22202223021), we get a palindrome (34234443243).

The spelling of 12032220222 in words is "twelve billion, thirty-two million, two hundred twenty thousand, two hundred twenty-two".