13231211200 has 42 divisors (see below), whose sum is σ = 32557052996. Its totient is φ = 5292483840.

The previous prime is 13231211171. The next prime is 13231211233. The reversal of 13231211200 is 211213231.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4133154 + ... + 4136353.

Almost surely, 2^13231211200 is an apocalyptic number.

13231211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13231211200 is an abundant number, since it is smaller than the sum of its proper divisors (19325841796).

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

13231211200 is an equidigital number, since it uses as much as digits as its factorization.

13231211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8269529 (or 8269514 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13231211200 its reverse (211213231), we get a palindrome (13442424431).

The spelling of 13231211200 in words is "thirteen billion, two hundred thirty-one million, two hundred eleven thousand, two hundred".