13312120012 has 12 divisors (see below), whose sum is σ = 23791874400. Its totient is φ = 6514441616.

The previous prime is 13312120001. The next prime is 13312120013. The reversal of 13312120012 is 21002121331.

It is not an unprimeable number, because it can be changed into a prime (13312120013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35404387 + ... + 35404762.

It is an arithmetic number, because the mean of its divisors is an integer number (1982656200).

Almost surely, 2^13312120012 is an apocalyptic number.

It is an amenable number.

13312120012 is a deficient number, since it is larger than the sum of its proper divisors (10479754388).

13312120012 is a wasteful number, since it uses less digits than its factorization.

13312120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70809200 (or 70809198 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13312120012 its reverse (21002121331), we get a palindrome (34314241343).

The spelling of 13312120012 in words is "thirteen billion, three hundred twelve million, one hundred twenty thousand, twelve".