212230223243 has 4 divisors (see below), whose sum is σ = 224714354040. Its totient is φ = 199746092448.

The previous prime is 212230223237. The next prime is 212230223273. The reversal of 212230223243 is 342322032212.

It is a happy number.

212230223243 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.

It is not a de Polignac number, because 212230223243 - 2¹⁶ = 212230157707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212230223273) 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, 6242065373 + ... + 6242065406.

It is an arithmetic number, because the mean of its divisors is an integer number (56178588510).

Almost surely, 2^212230223243 is an apocalyptic number.

212230223243 is a deficient number, since it is larger than the sum of its proper divisors (12484130797).

212230223243 is a wasteful number, since it uses less digits than its factorization.

212230223243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12484130796.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 212230223243 its reverse (342322032212), we get a palindrome (554552255455).

The spelling of 212230223243 in words is "two hundred twelve billion, two hundred thirty million, two hundred twenty-three thousand, two hundred forty-three".