12132312223 has 4 divisors (see below), whose sum is σ = 12132571528. Its totient is φ = 12132052920.

The previous prime is 12132312221. The next prime is 12132312287. The reversal of 12132312223 is 32221323121.

12132312223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12132312223 - 2¹ = 12132312221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12132312194 and 12132312203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132312221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37761 + ... + 160282.

It is an arithmetic number, because the mean of its divisors is an integer number (3033142882).

Almost surely, 2^12132312223 is an apocalyptic number.

12132312223 is a deficient number, since it is larger than the sum of its proper divisors (259305).

12132312223 is an equidigital number, since it uses as much as digits as its factorization.

12132312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259304.

The product of its digits is 864, while the sum is 22.

Adding to 12132312223 its reverse (32221323121), we get a palindrome (44353635344).

The spelling of 12132312223 in words is "twelve billion, one hundred thirty-two million, three hundred twelve thousand, two hundred twenty-three".