12020222000 has 40 divisors (see below), whose sum is σ = 29064901632. Its totient is φ = 4808088000.

The previous prime is 12020221991. The next prime is 12020222003. The reversal of 12020222000 is 22202021.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (12020222003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003056 + ... + 3007055.

Almost surely, 2^12020222000 is an apocalyptic number.

12020222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020222000 is an abundant number, since it is smaller than the sum of its proper divisors (17044679632).

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

12020222000 is an equidigital number, since it uses as much as digits as its factorization.

12020222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010134 (or 6010118 counting only the distinct ones).

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

Adding to 12020222000 its reverse (22202021), we get a palindrome (12042424021).

The spelling of 12020222000 in words is "twelve billion, twenty million, two hundred twenty-two thousand".