212400424230 has 16 divisors (see below), whose sum is σ = 509761018224. Its totient is φ = 56640113120.

The previous prime is 212400424199. The next prime is 212400424231. The reversal of 212400424230 is 32424004212.

It is a super-2 number, since 2×212400424230² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212400424230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212400424231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3540007041 + ... + 3540007100.

It is an arithmetic number, because the mean of its divisors is an integer number (31860063639).

Almost surely, 2^212400424230 is an apocalyptic number.

212400424230 is an abundant number, since it is smaller than the sum of its proper divisors (297360593994).

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

212400424230 is a wasteful number, since it uses less digits than its factorization.

212400424230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080014151.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 212400424230 its reverse (32424004212), we get a palindrome (244824428442).

The spelling of 212400424230 in words is "two hundred twelve billion, four hundred million, four hundred twenty-four thousand, two hundred thirty".