13121044312 has 16 divisors (see below), whose sum is σ = 26049132360. Its totient is φ = 6174609024.

The previous prime is 13121044289. The next prime is 13121044357. The reversal of 13121044312 is 21344012131.

13121044312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×13121044312³ (a number of 31 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 48238998 + ... + 48239269.

Almost surely, 2^13121044312 is an apocalyptic number.

It is an amenable number.

13121044312 is a deficient number, since it is larger than the sum of its proper divisors (12928088048).

13121044312 is a wasteful number, since it uses less digits than its factorization.

13121044312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96478290 (or 96478286 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13121044312 its reverse (21344012131), we get a palindrome (34465056443).

The spelling of 13121044312 in words is "thirteen billion, one hundred twenty-one million, forty-four thousand, three hundred twelve".