212234240430 has 48 divisors (see below), whose sum is σ = 564641803440. Its totient is φ = 55279615104.

The previous prime is 212234240429. The next prime is 212234240437. The reversal of 212234240430 is 34042432212.

212234240430 is a `hidden beast` number, since 2 + 1 + 223 + 4 + 2 + 4 + 0 + 430 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212234240394 and 212234240403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212234240437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27416575 + ... + 27424314.

It is an arithmetic number, because the mean of its divisors is an integer number (11763370905).

Almost surely, 2^212234240430 is an apocalyptic number.

212234240430 is an abundant number, since it is smaller than the sum of its proper divisors (352407563010).

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

212234240430 is a wasteful number, since it uses less digits than its factorization.

212234240430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54840945 (or 54840942 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 212234240430 its reverse (34042432212), we get a palindrome (246276672642).

The spelling of 212234240430 in words is "two hundred twelve billion, two hundred thirty-four million, two hundred forty thousand, four hundred thirty".