212432230 has 16 divisors (see below), whose sum is σ = 382572720. Its totient is φ = 84929632.

The previous prime is 212432197. The next prime is 212432237. The reversal of 212432230 is 32234212.

It is a junction number, because it is equal to n+sod(n) for n = 212432198 and 212432207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212432237) 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, 21672 + ... + 29908.

It is an arithmetic number, because the mean of its divisors is an integer number (23910795).

Almost surely, 2^212432230 is an apocalyptic number.

212432230 is a deficient number, since it is larger than the sum of its proper divisors (170140490).

212432230 is a wasteful number, since it uses less digits than its factorization.

212432230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10823.

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

The square root of 212432230 is about 14575.0550599303. The cubic root of 212432230 is about 596.6781520768.

Adding to 212432230 its reverse (32234212), we get a palindrome (244666442).

The spelling of 212432230 in words is "two hundred twelve million, four hundred thirty-two thousand, two hundred thirty".