212313331233 has 12 divisors (see below), whose sum is σ = 313806784720. Its totient is φ = 138250541016.

The previous prime is 212313331229. The next prime is 212313331249. The reversal of 212313331233 is 332133313212.

212313331233 is a `hidden beast` number, since 2 + 1 + 2 + 313 + 3 + 312 + 33 = 666.

212313331233 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 212313331233 - 2² = 212313331229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212313331197 and 212313331206.

It is not an unprimeable number, because it can be changed into a prime (212313335233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274306243 + ... + 274307016.

Almost surely, 2^212313331233 is an apocalyptic number.

It is an amenable number.

212313331233 is a deficient number, since it is larger than the sum of its proper divisors (101493453487).

212313331233 is a wasteful number, since it uses less digits than its factorization.

212313331233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548613308 (or 548613305 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 212313331233 its reverse (332133313212), we get a palindrome (544446644445).

The spelling of 212313331233 in words is "two hundred twelve billion, three hundred thirteen million, three hundred thirty-one thousand, two hundred thirty-three".