13212321103 has 16 divisors (see below), whose sum is σ = 14110959456. Its totient is φ = 12327377920.

The previous prime is 13212321097. The next prime is 13212321113. The reversal of 13212321103 is 30112321231.

It is a cyclic number.

It is not a de Polignac number, because 13212321103 - 2⁵ = 13212321071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212321113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2654325 + ... + 2659297.

It is an arithmetic number, because the mean of its divisors is an integer number (881934966).

Almost surely, 2^13212321103 is an apocalyptic number.

13212321103 is a deficient number, since it is larger than the sum of its proper divisors (898638353).

13212321103 is a wasteful number, since it uses less digits than its factorization.

13212321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6314.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13212321103 its reverse (30112321231), we get a palindrome (43324642334).

The spelling of 13212321103 in words is "thirteen billion, two hundred twelve million, three hundred twenty-one thousand, one hundred three".