13211220013223 has 32 divisors (see below), whose sum is σ = 14134398912000. Its totient is φ = 12311653415040.

The previous prime is 13211220013207. The next prime is 13211220013249. The reversal of 13211220013223 is 32231002211231.

It is a cyclic number.

It is not a de Polignac number, because 13211220013223 - 2⁴ = 13211220013207 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 (13211220013423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1567348973 + ... + 1567357401.

It is an arithmetic number, because the mean of its divisors is an integer number (441699966000).

Almost surely, 2^{13211220013223} is an apocalyptic number.

13211220013223 is a deficient number, since it is larger than the sum of its proper divisors (923178898777).

13211220013223 is a wasteful number, since it uses less digits than its factorization.

13211220013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11015.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13211220013223 its reverse (32231002211231), we get a palindrome (45442222224454).

The spelling of 13211220013223 in words is "thirteen trillion, two hundred eleven billion, two hundred twenty million, thirteen thousand, two hundred twenty-three".