12001231011200 has 96 divisors (see below), whose sum is σ = 29918780760000. Its totient is φ = 4756451051520.

The previous prime is 12001231011199. The next prime is 12001231011283. The reversal of 12001231011200 is 211013210021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16854800 + ... + 17552399.

It is an arithmetic number, because the mean of its divisors is an integer number (311653966250).

Almost surely, 2^{12001231011200} is an apocalyptic number.

12001231011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001231011200 is an abundant number, since it is smaller than the sum of its proper divisors (17917549748800).

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

12001231011200 is a wasteful number, since it uses less digits than its factorization.

12001231011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34407332 (or 34407315 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12001231011200 its reverse (211013210021), we get a palindrome (12212244221221).

The spelling of 12001231011200 in words is "twelve trillion, one billion, two hundred thirty-one million, eleven thousand, two hundred".