12003111200 has 72 divisors (see below), whose sum is σ = 30576667968. Its totient is φ = 4592487680.

The previous prime is 12003111179. The next prime is 12003111227. The reversal of 12003111200 is 211130021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307772 + ... + 344571.

It is an arithmetic number, because the mean of its divisors is an integer number (424675944).

Almost surely, 2^12003111200 is an apocalyptic number.

12003111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003111200 is an abundant number, since it is smaller than the sum of its proper divisors (18573556768).

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

12003111200 is a wasteful number, since it uses less digits than its factorization.

12003111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652386 (or 652373 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12003111200 its reverse (211130021), we get a palindrome (12214241221).

The spelling of 12003111200 in words is "twelve billion, three million, one hundred eleven thousand, two hundred".