212012032330 has 24 divisors (see below), whose sum is σ = 443927236068. Its totient is φ = 72689839488.

The previous prime is 212012032319. The next prime is 212012032367. The reversal of 212012032330 is 33230210212.

212012032330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 179215908921 + 32796123409 = 423339^2 + 181097^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212012032298 and 212012032307.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 216338319 + ... + 216339298.

Almost surely, 2^212012032330 is an apocalyptic number.

212012032330 is an abundant number, since it is smaller than the sum of its proper divisors (231915203738).

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

212012032330 is a wasteful number, since it uses less digits than its factorization.

212012032330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432677638 (or 432677631 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212012032330 its reverse (33230210212), we get a palindrome (245242242542).

The spelling of 212012032330 in words is "two hundred twelve billion, twelve million, thirty-two thousand, three hundred thirty".