12111230133200 has 120 divisors (see below), whose sum is σ = 31747021337376. Its totient is φ = 4403447104000.

The previous prime is 12111230133199. The next prime is 12111230133221. The reversal of 12111230133200 is 233103211121.

It is a happy number.

12111230133200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30793790 + ... + 31184610.

Almost surely, 2^{12111230133200} is an apocalyptic number.

12111230133200 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 12111230133200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15873510668688).

12111230133200 is an abundant number, since it is smaller than the sum of its proper divisors (19635791204176).

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

12111230133200 is a wasteful number, since it uses less digits than its factorization.

12111230133200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397893 (or 397882 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12111230133200 its reverse (233103211121), we get a palindrome (12344333344321).

The spelling of 12111230133200 in words is "twelve trillion, one hundred eleven billion, two hundred thirty million, one hundred thirty-three thousand, two hundred".