12000022220 has 24 divisors (see below), whose sum is σ = 26682403104. Its totient is φ = 4517655296.

The previous prime is 12000022219. The next prime is 12000022241. The reversal of 12000022220 is 2222000021.

12000022220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12000022220 is a modest number, since divided by 22220 gives 120 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17646752 + ... + 17647431.

It is an arithmetic number, because the mean of its divisors is an integer number (1111766796).

Almost surely, 2^12000022220 is an apocalyptic number.

12000022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000022220 is an abundant number, since it is smaller than the sum of its proper divisors (14682380884).

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

12000022220 is a wasteful number, since it uses less digits than its factorization.

12000022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35294209 (or 35294207 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12000022220 its reverse (2222000021), we get a palindrome (14222022241).

The spelling of 12000022220 in words is "twelve billion, twenty-two thousand, two hundred twenty".