212306230 has 16 divisors (see below), whose sum is σ = 388417104. Its totient is φ = 83530080.

The previous prime is 212306221. The next prime is 212306239. The reversal of 212306230 is 32603212.

212306230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212306221) and next prime (212306239).

It is a junction number, because it is equal to n+sod(n) for n = 212306198 and 212306207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212306239) 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, 173412 + ... + 174631.

It is an arithmetic number, because the mean of its divisors is an integer number (24276069).

Almost surely, 2^212306230 is an apocalyptic number.

212306230 is a deficient number, since it is larger than the sum of its proper divisors (176110874).

212306230 is a wasteful number, since it uses less digits than its factorization.

212306230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348111.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 212306230 is about 14570.7319651416. The cubic root of 212306230 is about 596.5601594411.

Adding to 212306230 its reverse (32603212), we get a palindrome (244909442).

The spelling of 212306230 in words is "two hundred twelve million, three hundred six thousand, two hundred thirty".