212304430 has 64 divisors (see below), whose sum is σ = 429004800. Its totient is φ = 75116160.

The previous prime is 212304419. The next prime is 212304431. The reversal of 212304430 is 34403212.

It is a junction number, because it is equal to n+sod(n) for n = 212304398 and 212304407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212304431) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 559981 + ... + 560359.

It is an arithmetic number, because the mean of its divisors is an integer number (6703200).

Almost surely, 2^212304430 is an apocalyptic number.

212304430 is an abundant number, since it is smaller than the sum of its proper divisors (216700370).

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

212304430 is a wasteful number, since it uses less digits than its factorization.

212304430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 212304430 is about 14570.6701973519. The cubic root of 212304430 is about 596.5584734938.

Adding to 212304430 its reverse (34403212), we get a palindrome (246707642).

The spelling of 212304430 in words is "two hundred twelve million, three hundred four thousand, four hundred thirty".