212313302233 has 4 divisors (see below), whose sum is σ = 212316184080. Its totient is φ = 212310420388.

The previous prime is 212313302189. The next prime is 212313302287. The reversal of 212313302233 is 332203313212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212313302233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212313302198 and 212313302207.

It is not an unprimeable number, because it can be changed into a prime (212313302533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327435 + ... + 1478752.

It is an arithmetic number, because the mean of its divisors is an integer number (53079046020).

Almost surely, 2^212313302233 is an apocalyptic number.

It is an amenable number.

212313302233 is a deficient number, since it is larger than the sum of its proper divisors (2881847).

212313302233 is an equidigital number, since it uses as much as digits as its factorization.

212313302233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881846.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 212313302233 its reverse (332203313212), we get a palindrome (544516615445).

The spelling of 212313302233 in words is "two hundred twelve billion, three hundred thirteen million, three hundred two thousand, two hundred thirty-three".