13112012444 has 12 divisors (see below), whose sum is σ = 22965965568. Its totient is φ = 6550308000.

The previous prime is 13112012437. The next prime is 13112012449. The reversal of 13112012444 is 44421021131.

13112012444 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-2 number, since 2×13112012444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112012449) by changing a digit.

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, 1419377 + ... + 1428584.

It is an arithmetic number, because the mean of its divisors is an integer number (1913830464).

Almost surely, 2^13112012444 is an apocalyptic number.

It is an amenable number.

13112012444 is a deficient number, since it is larger than the sum of its proper divisors (9853953124).

13112012444 is a wasteful number, since it uses less digits than its factorization.

13112012444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849116 (or 2849114 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 13112012444 its reverse (44421021131), we get a palindrome (57533033575).

The spelling of 13112012444 in words is "thirteen billion, one hundred twelve million, twelve thousand, four hundred forty-four".