12023220222 has 48 divisors (see below), whose sum is σ = 28064006880. Its totient is φ = 3698156736.

The previous prime is 12023220163. The next prime is 12023220241. The reversal of 12023220222 is 22202232021.

12023220222 is a `hidden beast` number, since 120 + 2 + 322 + 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 = 12023220195 and 12023220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825588 + ... + 840024.

It is an arithmetic number, because the mean of its divisors is an integer number (584666810).

Almost surely, 2^12023220222 is an apocalyptic number.

12023220222 is an abundant number, since it is smaller than the sum of its proper divisors (16040786658).

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

12023220222 is a wasteful number, since it uses less digits than its factorization.

12023220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18017 (or 18014 counting only the distinct ones).

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

Adding to 12023220222 its reverse (22202232021), we get a palindrome (34225452243).

The spelling of 12023220222 in words is "twelve billion, twenty-three million, two hundred twenty thousand, two hundred twenty-two".