212231221030 has 16 divisors (see below), whose sum is σ = 382230484704. Its totient is φ = 84844869120.

The previous prime is 212231221019. The next prime is 212231221049. The reversal of 212231221030 is 30122132212.

212231221030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212231220989 and 212231221007.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5933691 + ... + 5969350.

It is an arithmetic number, because the mean of its divisors is an integer number (23889405294).

Almost surely, 2^212231221030 is an apocalyptic number.

212231221030 is a deficient number, since it is larger than the sum of its proper divisors (169999263674).

212231221030 is a wasteful number, since it uses less digits than its factorization.

212231221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11904831.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212231221030 its reverse (30122132212), we get a palindrome (242353353242).

The spelling of 212231221030 in words is "two hundred twelve billion, two hundred thirty-one million, two hundred twenty-one thousand, thirty".