12012002211200 has 192 divisors, whose sum is σ = 30705812046000. Its totient is φ = 4637728972800.

The previous prime is 12012002211071. The next prime is 12012002211221. The reversal of 12012002211200 is 211220021021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342507266 + ... + 342542334.

Almost surely, 2^{12012002211200} is an apocalyptic number.

12012002211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012002211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15352906023000).

12012002211200 is an abundant number, since it is smaller than the sum of its proper divisors (18693809834800).

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

12012002211200 is a wasteful number, since it uses less digits than its factorization.

12012002211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38813 (or 38796 counting only the distinct ones).

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

Adding to 12012002211200 its reverse (211220021021), we get a palindrome (12223222232221).

The spelling of 12012002211200 in words is "twelve trillion, twelve billion, two million, two hundred eleven thousand, two hundred".