13322121212123 has 4 divisors (see below), whose sum is σ = 13332702723480. Its totient is φ = 13311539700768.

The previous prime is 13322121212047. The next prime is 13322121212161. The reversal of 13322121212123 is 32121212122331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13322121212123 - 2¹⁴ = 13322121195739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13322121212092 and 13322121212101.

It is not an unprimeable number, because it can be changed into a prime (13322121212173) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5290753790 + ... + 5290756307.

It is an arithmetic number, because the mean of its divisors is an integer number (3333175680870).

Almost surely, 2^{13322121212123} is an apocalyptic number.

13322121212123 is a deficient number, since it is larger than the sum of its proper divisors (10581511357).

13322121212123 is a wasteful number, since it uses less digits than its factorization.

13322121212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10581511356.

The product of its digits is 1728, while the sum is 26.

Adding to 13322121212123 its reverse (32121212122331), we get a palindrome (45443333334454).

The spelling of 13322121212123 in words is "thirteen trillion, three hundred twenty-two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred twenty-three".