212330123203 has 16 divisors (see below), whose sum is σ = 239476995072. Its totient is φ = 186509988000.

The previous prime is 212330123189. The next prime is 212330123227. The reversal of 212330123203 is 302321033212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212330123203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212330123003) 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 15 ways as a sum of consecutive naturals, for example, 264928 + ... + 703453.

It is an arithmetic number, because the mean of its divisors is an integer number (14967312192).

Almost surely, 2^212330123203 is an apocalyptic number.

212330123203 is a deficient number, since it is larger than the sum of its proper divisors (27146871869).

212330123203 is a wasteful number, since it uses less digits than its factorization.

212330123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969066.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212330123203 its reverse (302321033212), we get a palindrome (514651156415).

It can be divided in two parts, 212330 and 123203, that added together give a palindrome (335533).

The spelling of 212330123203 in words is "two hundred twelve billion, three hundred thirty million, one hundred twenty-three thousand, two hundred three".