12000021122210 has 16 divisors (see below), whose sum is σ = 23563677840192. Its totient is φ = 4363644044400.

The previous prime is 12000021122203. The next prime is 12000021122231. The reversal of 12000021122210 is 1222112000021.

It is a super-2 number, since 2×12000021122210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54545550446 + ... + 54545550665.

It is an arithmetic number, because the mean of its divisors is an integer number (1472729865012).

Almost surely, 2^{12000021122210} is an apocalyptic number.

12000021122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000021122210 is a deficient number, since it is larger than the sum of its proper divisors (11563656717982).

12000021122210 is a wasteful number, since it uses less digits than its factorization.

12000021122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109091101129.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12000021122210 its reverse (1222112000021), we get a palindrome (13222133122231).

The spelling of 12000021122210 in words is "twelve trillion, twenty-one million, one hundred twenty-two thousand, two hundred ten".