12002022168 has 128 divisors (see below), whose sum is σ = 32639785920. Its totient is φ = 3662807040.

The previous prime is 12002022143. The next prime is 12002022233. The reversal of 12002022168 is 86122020021.

It is a super-2 number, since 2×12002022168² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7242396 + ... + 7244052.

Almost surely, 2^12002022168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12002022168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16319892960).

12002022168 is an abundant number, since it is smaller than the sum of its proper divisors (20637763752).

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

12002022168 is a wasteful number, since it uses less digits than its factorization.

12002022168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 12002022168 its reverse (86122020021), we get a palindrome (98124042189).

The spelling of 12002022168 in words is "twelve billion, two million, twenty-two thousand, one hundred sixty-eight".