212303211233 has 4 divisors (see below), whose sum is σ = 212347826880. Its totient is φ = 212258595588.

The previous prime is 212303211229. The next prime is 212303211287. The reversal of 212303211233 is 332112303212.

212303211233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 212303211233 - 2² = 212303211229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212303211199 and 212303211208.

It is not an unprimeable number, because it can be changed into a prime (212303211433) 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 3 ways as a sum of consecutive naturals, for example, 22300685 + ... + 22310202.

It is an arithmetic number, because the mean of its divisors is an integer number (53086956720).

Almost surely, 2^212303211233 is an apocalyptic number.

It is an amenable number.

212303211233 is a deficient number, since it is larger than the sum of its proper divisors (44615647).

212303211233 is an equidigital number, since it uses as much as digits as its factorization.

212303211233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44615646.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212303211233 its reverse (332112303212), we get a palindrome (544415514445).

The spelling of 212303211233 in words is "two hundred twelve billion, three hundred three million, two hundred eleven thousand, two hundred thirty-three".