212240234203 has 4 divisors (see below), whose sum is σ = 224724953880. Its totient is φ = 199755514528.

The previous prime is 212240234201. The next prime is 212240234263. The reversal of 212240234203 is 302432042212.

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

It is not a de Polignac number, because 212240234203 - 2¹ = 212240234201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212240234201) 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, 6242359813 + ... + 6242359846.

It is an arithmetic number, because the mean of its divisors is an integer number (56181238470).

Almost surely, 2^212240234203 is an apocalyptic number.

212240234203 is a deficient number, since it is larger than the sum of its proper divisors (12484719677).

212240234203 is a wasteful number, since it uses less digits than its factorization.

212240234203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12484719676.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 212240234203 its reverse (302432042212), we get a palindrome (514672276415).

The spelling of 212240234203 in words is "two hundred twelve billion, two hundred forty million, two hundred thirty-four thousand, two hundred three".