12212012122 has 8 divisors (see below), whose sum is σ = 18319519872. Its totient is φ = 6105505500.

The previous prime is 12212012093. The next prime is 12212012147. The reversal of 12212012122 is 22121021221.

It is a happy number.

12212012122 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 = 12212012096 and 12212012105.

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 3 ways as a sum of consecutive naturals, for example, 219004 + ... + 269047.

It is an arithmetic number, because the mean of its divisors is an integer number (2289939984).

Almost surely, 2^12212012122 is an apocalyptic number.

12212012122 is a deficient number, since it is larger than the sum of its proper divisors (6107507750).

12212012122 is a wasteful number, since it uses less digits than its factorization.

12212012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500564.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12212012122 its reverse (22121021221), we get a palindrome (34333033343).

Subtracting 12212012122 from its reverse (22121021221), we obtain a palindrome (9909009099).

The spelling of 12212012122 in words is "twelve billion, two hundred twelve million, twelve thousand, one hundred twenty-two".