12004023222 has 48 divisors (see below), whose sum is σ = 26301682368. Its totient is φ = 3956440320.

The previous prime is 12004023217. The next prime is 12004023223. The reversal of 12004023222 is 22232040021.

It is a super-2 number, since 2×12004023222² (a number of 21 digits) contains 22 as substring.

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 = 12004023195 and 12004023204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004023223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 869808 + ... + 883500.

It is an arithmetic number, because the mean of its divisors is an integer number (547951716).

Almost surely, 2^12004023222 is an apocalyptic number.

12004023222 is an abundant number, since it is smaller than the sum of its proper divisors (14297659146).

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

12004023222 is a wasteful number, since it uses less digits than its factorization.

12004023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14245 (or 14242 counting only the distinct ones).

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

Adding to 12004023222 its reverse (22232040021), we get a palindrome (34236063243).

The spelling of 12004023222 in words is "twelve billion, four million, twenty-three thousand, two hundred twenty-two".