212031230003 has 4 divisors (see below), whose sum is σ = 212418856200. Its totient is φ = 211643603808.

The previous prime is 212031229997. The next prime is 212031230041. The reversal of 212031230003 is 300032130212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212031230003 - 2⁴ = 212031229987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212031232003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193812278 + ... + 193813371.

It is an arithmetic number, because the mean of its divisors is an integer number (53104714050).

Almost surely, 2^212031230003 is an apocalyptic number.

212031230003 is a deficient number, since it is larger than the sum of its proper divisors (387626197).

212031230003 is an equidigital number, since it uses as much as digits as its factorization.

212031230003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387626196.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 212031230003 its reverse (300032130212), we get a palindrome (512063360215).

The spelling of 212031230003 in words is "two hundred twelve billion, thirty-one million, two hundred thirty thousand, three".