13321312103212 has 12 divisors (see below), whose sum is σ = 23455316403736. Its totient is φ = 6619793130720.

The previous prime is 13321312103207. The next prime is 13321312103237. The reversal of 13321312103212 is 21230121312331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10215729489 + ... + 10215730792.

Almost surely, 2^{13321312103212} is an apocalyptic number.

It is an amenable number.

13321312103212 is a deficient number, since it is larger than the sum of its proper divisors (10134004300524).

13321312103212 is a wasteful number, since it uses less digits than its factorization.

13321312103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20431460448 (or 20431460446 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13321312103212 its reverse (21230121312331), we get a palindrome (34551433415543).

It can be divided in two parts, 1332131 and 2103212, that added together give a palindrome (3435343).

The spelling of 13321312103212 in words is "thirteen trillion, three hundred twenty-one billion, three hundred twelve million, one hundred three thousand, two hundred twelve".