212133323330 has 32 divisors (see below), whose sum is σ = 394423326720. Its totient is φ = 82060724160.

The previous prime is 212133323327. The next prime is 212133323341. The reversal of 212133323330 is 33323331212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212133323330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230876 + ... + 691064.

It is an arithmetic number, because the mean of its divisors is an integer number (12325728960).

Almost surely, 2^212133323330 is an apocalyptic number.

212133323330 is a deficient number, since it is larger than the sum of its proper divisors (182290003390).

212133323330 is a wasteful number, since it uses less digits than its factorization.

212133323330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461714.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 212133323330 its reverse (33323331212), we get a palindrome (245456654542).

The spelling of 212133323330 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred twenty-three thousand, three hundred thirty".