12000221210 has 96 divisors (see below), whose sum is σ = 23717048832. Its totient is φ = 4366327680.

The previous prime is 12000221203. The next prime is 12000221213. The reversal of 12000221210 is 1212200021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12000221191 and 12000221200.

It is not an unprimeable number, because it can be changed into a prime (12000221213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17569529 + ... + 17570211.

It is an arithmetic number, because the mean of its divisors is an integer number (247052592).

Almost surely, 2^12000221210 is an apocalyptic number.

12000221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000221210 is a deficient number, since it is larger than the sum of its proper divisors (11716827622).

12000221210 is a wasteful number, since it uses less digits than its factorization.

12000221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12000221210 its reverse (1212200021), we get a palindrome (13212421231).

The spelling of 12000221210 in words is "twelve billion, two hundred twenty-one thousand, two hundred ten".