12422012212 has 24 divisors (see below), whose sum is σ = 21818888000. Its totient is φ = 6188083776.

The previous prime is 12422012209. The next prime is 12422012227. The reversal of 12422012212 is 21221022421.

12422012212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12422012212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440289 + ... + 1448887.

Almost surely, 2^12422012212 is an apocalyptic number.

It is an amenable number.

12422012212 is a deficient number, since it is larger than the sum of its proper divisors (9396875788).

12422012212 is a wasteful number, since it uses less digits than its factorization.

12422012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9895 (or 9893 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12422012212 its reverse (21221022421), we get a palindrome (33643034633).

The spelling of 12422012212 in words is "twelve billion, four hundred twenty-two million, twelve thousand, two hundred twelve".