12120123110223 has 16 divisors (see below), whose sum is σ = 16693149828096. Its totient is φ = 7813954547520.

The previous prime is 12120123110197. The next prime is 12120123110231. The reversal of 12120123110223 is 32201132102121.

It is not a de Polignac number, because 12120123110223 - 2⁵ = 12120123110191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12120123110223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120123110323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45530886 + ... + 45796307.

It is an arithmetic number, because the mean of its divisors is an integer number (1043321864256).

Almost surely, 2^{12120123110223} is an apocalyptic number.

12120123110223 is a deficient number, since it is larger than the sum of its proper divisors (4573026717873).

12120123110223 is a wasteful number, since it uses less digits than its factorization.

12120123110223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91328654.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12120123110223 its reverse (32201132102121), we get a palindrome (44321255212344).

The spelling of 12120123110223 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-three million, one hundred ten thousand, two hundred twenty-three".