13311424321012 has 12 divisors (see below), whose sum is σ = 23295489998116. Its totient is φ = 6655570035840.

The previous prime is 13311424320959. The next prime is 13311424321043. The reversal of 13311424321012 is 21012342411331.

It can be written as a sum of positive squares in 2 ways, for example, as 2704196069136 + 10607228251876 = 1644444^2 + 3256874^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35320293 + ... + 35695180.

Almost surely, 2^{13311424321012} is an apocalyptic number.

It is an amenable number.

13311424321012 is a deficient number, since it is larger than the sum of its proper divisors (9984065677104).

13311424321012 is a wasteful number, since it uses less digits than its factorization.

13311424321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71062338 (or 71062336 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 13311424321012 its reverse (21012342411331), we get a palindrome (34323766732343).

The spelling of 13311424321012 in words is "thirteen trillion, three hundred eleven billion, four hundred twenty-four million, three hundred twenty-one thousand, twelve".