13211344412 has 24 divisors (see below), whose sum is σ = 26439469056. Its totient is φ = 5658409008.

The previous prime is 13211344373. The next prime is 13211344439. The reversal of 13211344412 is 21444311231.

13211344412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104708 + ... + 193355.

It is an arithmetic number, because the mean of its divisors is an integer number (1101644544).

Almost surely, 2^13211344412 is an apocalyptic number.

It is an amenable number.

13211344412 is an abundant number, since it is smaller than the sum of its proper divisors (13228124644).

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

13211344412 is a wasteful number, since it uses less digits than its factorization.

13211344412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299657 (or 299655 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 13211344412 its reverse (21444311231), we get a palindrome (34655655643).

The spelling of 13211344412 in words is "thirteen billion, two hundred eleven million, three hundred forty-four thousand, four hundred twelve".