12312120332223 has 48 divisors (see below), whose sum is σ = 18942830882976. Its totient is φ = 7985595703680.

The previous prime is 12312120332101. The next prime is 12312120332231. The reversal of 12312120332223 is 32223302121321.

12312120332223 is a `hidden beast` number, since 1 + 2 + 312 + 1 + 2 + 0 + 3 + 322 + 23 = 666.

It is not a de Polignac number, because 12312120332223 - 2⁹ = 12312120331711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312120332273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127812865 + ... + 127909157.

It is an arithmetic number, because the mean of its divisors is an integer number (394642310062).

Almost surely, 2^{12312120332223} is an apocalyptic number.

12312120332223 is a deficient number, since it is larger than the sum of its proper divisors (6630710550753).

12312120332223 is an equidigital number, since it uses as much as digits as its factorization.

12312120332223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110566 (or 110554 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12312120332223 its reverse (32223302121321), we get a palindrome (44535422453544).

The spelling of 12312120332223 in words is "twelve trillion, three hundred twelve billion, one hundred twenty million, three hundred thirty-two thousand, two hundred twenty-three".