13211044243312 has 20 divisors (see below), whose sum is σ = 26016011308936. Its totient is φ = 6497234873280.

The previous prime is 13211044243247. The next prime is 13211044243339. The reversal of 13211044243312 is 21334244011231.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6767952018 + ... + 6767953969.

Almost surely, 2^{13211044243312} is an apocalyptic number.

It is an amenable number.

13211044243312 is a deficient number, since it is larger than the sum of its proper divisors (12804967065624).

13211044243312 is a wasteful number, since it uses less digits than its factorization.

13211044243312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13535906056 (or 13535906050 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 13211044243312 its reverse (21334244011231), we get a palindrome (34545288254543).

The spelling of 13211044243312 in words is "thirteen trillion, two hundred eleven billion, forty-four million, two hundred forty-three thousand, three hundred twelve".