212330323044 has 72 divisors (see below), whose sum is σ = 616610362368. Its totient is φ = 60348170880.

The previous prime is 212330323043. The next prime is 212330323067. The reversal of 212330323044 is 440323033212.

212330323044 is a `hidden beast` number, since 2 + 1 + 2 + 330 + 323 + 0 + 4 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 212330322999 and 212330323017.

It is not an unprimeable number, because it can be changed into a prime (212330323043) 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 23 ways as a sum of consecutive naturals, for example, 2157577 + ... + 2253840.

Almost surely, 2^212330323044 is an apocalyptic number.

It is an amenable number.

212330323044 is an abundant number, since it is smaller than the sum of its proper divisors (404280039324).

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

212330323044 is a wasteful number, since it uses less digits than its factorization.

212330323044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411625 (or 4411620 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 212330323044 its reverse (440323033212), we get a palindrome (652653356256).

The spelling of 212330323044 in words is "two hundred twelve billion, three hundred thirty million, three hundred twenty-three thousand, forty-four".