12212122022 has 12 divisors (see below), whose sum is σ = 18431334180. Its totient is φ = 6068574108.

The previous prime is 12212122019. The next prime is 12212122031. The reversal of 12212122022 is 22022121221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61772 + ... + 168047.

It is an arithmetic number, because the mean of its divisors is an integer number (1535944515).

Almost surely, 2^12212122022 is an apocalyptic number.

12212122022 is a deficient number, since it is larger than the sum of its proper divisors (6219212158).

12212122022 is an equidigital number, since it uses as much as digits as its factorization.

12212122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230147 (or 229984 counting only the distinct ones).

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

Adding to 12212122022 its reverse (22022121221), we get a palindrome (34234243243).

The spelling of 12212122022 in words is "twelve billion, two hundred twelve million, one hundred twenty-two thousand, twenty-two".