212030330330 has 128 divisors (see below), whose sum is σ = 495194757120. Its totient is φ = 63476732160.

The previous prime is 212030330269. The next prime is 212030330339. The reversal of 212030330330 is 33033030212.

It is not an unprimeable number, because it can be changed into a prime (212030330339) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 11938517 + ... + 11956263.

It is an arithmetic number, because the mean of its divisors is an integer number (3868709040).

Almost surely, 2^212030330330 is an apocalyptic number.

212030330330 is an abundant number, since it is smaller than the sum of its proper divisors (283164426790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212030330330 is a wasteful number, since it uses less digits than its factorization.

212030330330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18484.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 212030330330 its reverse (33033030212), we get a palindrome (245063360542).

The spelling of 212030330330 in words is "two hundred twelve billion, thirty million, three hundred thirty thousand, three hundred thirty".