812102230 has 8 divisors (see below), whose sum is σ = 1461784032. Its totient is φ = 324840888.

The previous prime is 812102219. The next prime is 812102231. The reversal of 812102230 is 32201218.

812102230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 812102198 and 812102207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812102231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40605102 + ... + 40605121.

It is an arithmetic number, because the mean of its divisors is an integer number (182723004).

Almost surely, 2^812102230 is an apocalyptic number.

812102230 is a deficient number, since it is larger than the sum of its proper divisors (649681802).

812102230 is a wasteful number, since it uses less digits than its factorization.

812102230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81210230.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 812102230 is about 28497.4074259396. The cubic root of 812102230 is about 932.9754893776.

Adding to 812102230 its reverse (32201218), we get a palindrome (844303448).

The spelling of 812102230 in words is "eight hundred twelve million, one hundred two thousand, two hundred thirty".