212012102230 has 16 divisors (see below), whose sum is σ = 383142194064. Its totient is φ = 84466972000.

The previous prime is 212012102123. The next prime is 212012102233. The reversal of 212012102230 is 32201210212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012102233) 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, 42230977 + ... + 42235996.

It is an arithmetic number, because the mean of its divisors is an integer number (23946387129).

Almost surely, 2^212012102230 is an apocalyptic number.

212012102230 is a deficient number, since it is larger than the sum of its proper divisors (171130091834).

212012102230 is a wasteful number, since it uses less digits than its factorization.

212012102230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84467231.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212012102230 its reverse (32201210212), we get a palindrome (244213312442).

The spelling of 212012102230 in words is "two hundred twelve billion, twelve million, one hundred two thousand, two hundred thirty".