13001320012 has 24 divisors (see below), whose sum is σ = 22829597840. Its totient is φ = 6478617600.

The previous prime is 13001320001. The next prime is 13001320021. The reversal of 13001320012 is 21002310031.

It is a junction number, because it is equal to n+sod(n) for n = 13001319974 and 13001320001.

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, 1483708 + ... + 1492444.

Almost surely, 2^13001320012 is an apocalyptic number.

It is an amenable number.

13001320012 is a deficient number, since it is larger than the sum of its proper divisors (9828277828).

13001320012 is a wasteful number, since it uses less digits than its factorization.

13001320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9961 (or 9959 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13001320012 its reverse (21002310031), we get a palindrome (34003630043).

The spelling of 13001320012 in words is "thirteen billion, one million, three hundred twenty thousand, twelve".