12022288218 has 64 divisors (see below), whose sum is σ = 27072460800. Its totient is φ = 3954115440.

The previous prime is 12022288217. The next prime is 12022288241. The reversal of 12022288218 is 81288222021.

It is not an unprimeable number, because it can be changed into a prime (12022288211) 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, 5516253 + ... + 5518431.

It is an arithmetic number, because the mean of its divisors is an integer number (423007200).

Almost surely, 2^12022288218 is an apocalyptic number.

12022288218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022288218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13536230400).

12022288218 is an abundant number, since it is smaller than the sum of its proper divisors (15050172582).

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

12022288218 is a wasteful number, since it uses less digits than its factorization.

12022288218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504 (or 3498 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The spelling of 12022288218 in words is "twelve billion, twenty-two million, two hundred eighty-eight thousand, two hundred eighteen".