13122120121223 has 8 divisors (see below), whose sum is σ = 13813091761920. Its totient is φ = 12431181854520.

The previous prime is 13122120121217. The next prime is 13122120121367. The reversal of 13122120121223 is 32212102122131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13122120121223 - 2⁴ = 13122120121207 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 (13122120121723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7534415 + ... + 9111072.

It is an arithmetic number, because the mean of its divisors is an integer number (1726636470240).

Almost surely, 2^{13122120121223} is an apocalyptic number.

13122120121223 is a deficient number, since it is larger than the sum of its proper divisors (690971640697).

13122120121223 is a wasteful number, since it uses less digits than its factorization.

13122120121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16686997.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13122120121223 its reverse (32212102122131), we get a palindrome (45334222243354).

The spelling of 13122120121223 in words is "thirteen trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twenty-three".