212012222230 has 16 divisors (see below), whose sum is σ = 404070353280. Its totient is φ = 79816365952.

The previous prime is 212012222221. The next prime is 212012222239. The reversal of 212012222230 is 32222210212.

It is an interprime number because it is at equal distance from previous prime (212012222221) and next prime (212012222239).

It is a junction number, because it is equal to n+sod(n) for n = 212012222198 and 212012222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012222239) 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, 623565190 + ... + 623565529.

It is an arithmetic number, because the mean of its divisors is an integer number (25254397080).

Almost surely, 2^212012222230 is an apocalyptic number.

212012222230 is a deficient number, since it is larger than the sum of its proper divisors (192058131050).

212012222230 is a wasteful number, since it uses less digits than its factorization.

212012222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247130743.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212012222230 its reverse (32222210212), we get a palindrome (244234432442).

The spelling of 212012222230 in words is "two hundred twelve billion, twelve million, two hundred twenty-two thousand, two hundred thirty".