13113235412 has 6 divisors (see below), whose sum is σ = 22948161978. Its totient is φ = 6556617704.

The previous prime is 13113235391. The next prime is 13113235417. The reversal of 13113235412 is 21453231131.

13113235412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11799607876 + 1313627536 = 108626^2 + 36244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113235417) 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 as a sum of consecutive naturals, namely, 1639154423 + ... + 1639154430.

It is an arithmetic number, because the mean of its divisors is an integer number (3824693663).

Almost surely, 2^13113235412 is an apocalyptic number.

It is an amenable number.

13113235412 is a deficient number, since it is larger than the sum of its proper divisors (9834926566).

13113235412 is a wasteful number, since it uses less digits than its factorization.

13113235412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278308857 (or 3278308855 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

Adding to 13113235412 its reverse (21453231131), we get a palindrome (34566466543).

The spelling of 13113235412 in words is "thirteen billion, one hundred thirteen million, two hundred thirty-five thousand, four hundred twelve".