12122330212 has 12 divisors (see below), whose sum is σ = 21344226736. Its totient is φ = 6023979720.

The previous prime is 12122330189. The next prime is 12122330219. The reversal of 12122330212 is 21203322121.

It is a self number, because there is not a number n which added to its sum of digits gives 12122330212.

It is not an unprimeable number, because it can be changed into a prime (12122330219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9295614 + ... + 9296917.

Almost surely, 2^12122330212 is an apocalyptic number.

It is an amenable number.

12122330212 is a deficient number, since it is larger than the sum of its proper divisors (9221896524).

12122330212 is a wasteful number, since it uses less digits than its factorization.

12122330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18592698 (or 18592696 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12122330212 its reverse (21203322121), we get a palindrome (33325652333).

The spelling of 12122330212 in words is "twelve billion, one hundred twenty-two million, three hundred thirty thousand, two hundred twelve".