12031211200 has 42 divisors (see below), whose sum is σ = 29604302996. Its totient is φ = 4812483840.

The previous prime is 12031211189. The next prime is 12031211251. The reversal of 12031211200 is 211213021.

12031211200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5 ways as a sum of consecutive naturals, for example, 3758154 + ... + 3761353.

Almost surely, 2^12031211200 is an apocalyptic number.

12031211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031211200 is an abundant number, since it is smaller than the sum of its proper divisors (17573091796).

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

12031211200 is an equidigital number, since it uses as much as digits as its factorization.

12031211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519529 (or 7519514 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12031211200 its reverse (211213021), we get a palindrome (12242424221).

The spelling of 12031211200 in words is "twelve billion, thirty-one million, two hundred eleven thousand, two hundred".