13212331223223 has 32 divisors (see below), whose sum is σ = 20012283763200. Its totient is φ = 7680152592000.

The previous prime is 13212331223167. The next prime is 13212331223249. The reversal of 13212331223223 is 32232213321231.

It is not a de Polignac number, because 13212331223223 - 2²⁰ = 13212330174647 is a prime.

It is a super-3 number, since 3×13212331223223³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212331223263) 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, 45570688 + ... + 45859701.

It is an arithmetic number, because the mean of its divisors is an integer number (625383867600).

Almost surely, 2^{13212331223223} is an apocalyptic number.

13212331223223 is a deficient number, since it is larger than the sum of its proper divisors (6799952539977).

13212331223223 is a wasteful number, since it uses less digits than its factorization.

13212331223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91430583.

The product of its digits is 15552, while the sum is 30.

Adding to 13212331223223 its reverse (32232213321231), we get a palindrome (45444544544454).

The spelling of 13212331223223 in words is "thirteen trillion, two hundred twelve billion, three hundred thirty-one million, two hundred twenty-three thousand, two hundred twenty-three".