12122031231223 has 4 divisors (see below), whose sum is σ = 12122075982240. Its totient is φ = 12121986480208.

The previous prime is 12122031231221. The next prime is 12122031231241. The reversal of 12122031231223 is 32213213022121.

12122031231223 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 12122031231223 - 2¹ = 12122031231221 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 (12122031231221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21966703 + ... + 22511776.

It is an arithmetic number, because the mean of its divisors is an integer number (3030518995560).

Almost surely, 2^{12122031231223} is an apocalyptic number.

12122031231223 is a deficient number, since it is larger than the sum of its proper divisors (44751017).

12122031231223 is an equidigital number, since it uses as much as digits as its factorization.

12122031231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44751016.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12122031231223 its reverse (32213213022121), we get a palindrome (44335244253344).

The spelling of 12122031231223 in words is "twelve trillion, one hundred twenty-two billion, thirty-one million, two hundred thirty-one thousand, two hundred twenty-three".