212334305430 has 64 divisors (see below), whose sum is σ = 551868629760. Its totient is φ = 51974894976.

The previous prime is 212334305401. The next prime is 212334305467. The reversal of 212334305430 is 34503433212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1450992 + ... + 1590611.

It is an arithmetic number, because the mean of its divisors is an integer number (8622947340).

Almost surely, 2^212334305430 is an apocalyptic number.

212334305430 is an abundant number, since it is smaller than the sum of its proper divisors (339534324330).

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

212334305430 is a wasteful number, since it uses less digits than its factorization.

212334305430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041805.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 212334305430 its reverse (34503433212), we get a palindrome (246837738642).

The spelling of 212334305430 in words is "two hundred twelve billion, three hundred thirty-four million, three hundred five thousand, four hundred thirty".