12103311331200 has 192 divisors, whose sum is σ = 39884215215600. Its totient is φ = 3226016808960.

The previous prime is 12103311331187. The next prime is 12103311331219. The reversal of 12103311331200 is 213311330121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

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, 19986466 + ... + 20583134.

Almost surely, 2^{12103311331200} is an apocalyptic number.

12103311331200 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 12103311331200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19942107607800).

12103311331200 is an abundant number, since it is smaller than the sum of its proper divisors (27780903884400).

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

12103311331200 is a wasteful number, since it uses less digits than its factorization.

12103311331200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598809 (or 598792 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12103311331200 its reverse (213311330121), we get a palindrome (12316622661321).

The spelling of 12103311331200 in words is "twelve trillion, one hundred three billion, three hundred eleven million, three hundred thirty-one thousand, two hundred".