212321200330 has 8 divisors (see below), whose sum is σ = 382178160612. Its totient is φ = 84928480128.

The previous prime is 212321200321. The next prime is 212321200393. The reversal of 212321200330 is 33002123212.

212321200330 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 211159549441 + 1161650889 = 459521^2 + 34083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212321200298 and 212321200307.

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 3 ways as a sum of consecutive naturals, for example, 10616060007 + ... + 10616060026.

Almost surely, 2^212321200330 is an apocalyptic number.

212321200330 is a deficient number, since it is larger than the sum of its proper divisors (169856960282).

212321200330 is a wasteful number, since it uses less digits than its factorization.

212321200330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21232120040.

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

Adding to 212321200330 its reverse (33002123212), we get a palindrome (245323323542).

The spelling of 212321200330 in words is "two hundred twelve billion, three hundred twenty-one million, two hundred thousand, three hundred thirty".