12120302223 has 6 divisors (see below), whose sum is σ = 17507103224. Its totient is φ = 8080201476.

The previous prime is 12120302177. The next prime is 12120302251. The reversal of 12120302223 is 32220302121.

12120302223 is a `hidden beast` number, since 121 + 20 + 302 + 223 = 666.

12120302223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12120302223 - 2⁸ = 12120301967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120302196 and 12120302205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120302273) 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 5 ways as a sum of consecutive naturals, for example, 673350115 + ... + 673350132.

Almost surely, 2^12120302223 is an apocalyptic number.

12120302223 is a deficient number, since it is larger than the sum of its proper divisors (5386801001).

12120302223 is a wasteful number, since it uses less digits than its factorization.

12120302223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346700253 (or 1346700250 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12120302223 its reverse (32220302121), we get a palindrome (44340604344).

The spelling of 12120302223 in words is "twelve billion, one hundred twenty million, three hundred two thousand, two hundred twenty-three".