12022122212 has 12 divisors (see below), whose sum is σ = 21039562236. Its totient is φ = 6010818720.

The previous prime is 12022122163. The next prime is 12022122227. The reversal of 12022122212 is 21222122021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6322476196 + 5699646016 = 79514^2 + 75496^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95918 + ... + 182330.

It is an arithmetic number, because the mean of its divisors is an integer number (1753296853).

Almost surely, 2^12022122212 is an apocalyptic number.

It is an amenable number.

12022122212 is a deficient number, since it is larger than the sum of its proper divisors (9017440024).

12022122212 is a wasteful number, since it uses less digits than its factorization.

12022122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121198 (or 121196 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12022122212 its reverse (21222122021), we get a palindrome (33244244233).

The spelling of 12022122212 in words is "twelve billion, twenty-two million, one hundred twenty-two thousand, two hundred twelve".