13105323442112 has 56 divisors (see below), whose sum is σ = 28384115311920. Its totient is φ = 5954011176960.

The previous prime is 13105323442009. The next prime is 13105323442151. The reversal of 13105323442112 is 21124432350131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3194687 + ... + 6034622.

Almost surely, 2^{13105323442112} is an apocalyptic number.

It is an amenable number.

13105323442112 is an abundant number, since it is smaller than the sum of its proper divisors (15278791869808).

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

13105323442112 is a wasteful number, since it uses less digits than its factorization.

13105323442112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9231349 (or 9231339 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 13105323442112 its reverse (21124432350131), we get a palindrome (34229755792243).

The spelling of 13105323442112 in words is "thirteen trillion, one hundred five billion, three hundred twenty-three million, four hundred forty-two thousand, one hundred twelve".