212234420424203 has 4 divisors (see below), whose sum is σ = 212234507831520. Its totient is φ = 212234333016888.

The previous prime is 212234420424167. The next prime is 212234420424251. The reversal of 212234420424203 is 302424024432212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212234420424203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212231420424203) 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, 39954275 + ... + 44953452.

It is an arithmetic number, because the mean of its divisors is an integer number (53058626957880).

Almost surely, 2^{212234420424203} is an apocalyptic number.

212234420424203 is a deficient number, since it is larger than the sum of its proper divisors (87407317).

212234420424203 is an equidigital number, since it uses as much as digits as its factorization.

212234420424203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87407316.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 212234420424203 its reverse (302424024432212), we get a palindrome (514658444856415).

The spelling of 212234420424203 in words is "two hundred twelve trillion, two hundred thirty-four billion, four hundred twenty million, four hundred twenty-four thousand, two hundred three".