12321013312200 has 48 divisors (see below), whose sum is σ = 38195141269680. Its totient is φ = 3285603549760.

The previous prime is 12321013312121. The next prime is 12321013312213. The reversal of 12321013312200 is 221331012321.

It is a super-2 number, since 2×12321013312200² (a number of 27 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 10267510494 + ... + 10267511693.

It is an arithmetic number, because the mean of its divisors is an integer number (795732109785).

Almost surely, 2^{12321013312200} is an apocalyptic number.

12321013312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321013312200 is an abundant number, since it is smaller than the sum of its proper divisors (25874127957480).

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

12321013312200 is a wasteful number, since it uses less digits than its factorization.

12321013312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20535022206 (or 20535022197 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12321013312200 its reverse (221331012321), we get a palindrome (12542344324521).

The spelling of 12321013312200 in words is "twelve trillion, three hundred twenty-one billion, thirteen million, three hundred twelve thousand, two hundred".