13001123110312 has 8 divisors (see below), whose sum is σ = 24377105831850. Its totient is φ = 6500561555152.

The previous prime is 13001123110273. The next prime is 13001123110333. The reversal of 13001123110312 is 21301132110031.

It can be written as a sum of positive squares in only one way, i.e., 8722654255396 + 4278468854916 = 2953414^2 + 2068446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 13001123110312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812570194387 + ... + 812570194402.

Almost surely, 2^{13001123110312} is an apocalyptic number.

It is an amenable number.

13001123110312 is a deficient number, since it is larger than the sum of its proper divisors (11375982721538).

13001123110312 is a wasteful number, since it uses less digits than its factorization.

13001123110312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625140388795 (or 1625140388791 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 13001123110312 its reverse (21301132110031), we get a palindrome (34302255220343).

The spelling of 13001123110312 in words is "thirteen trillion, one billion, one hundred twenty-three million, one hundred ten thousand, three hundred twelve".