12020222212 has 24 divisors (see below), whose sum is σ = 21261683520. Its totient is φ = 5945628960.

The previous prime is 12020222173. The next prime is 12020222219. The reversal of 12020222212 is 21222202021.

It is not an unprimeable number, because it can be changed into a prime (12020222219) 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 7 ways as a sum of consecutive naturals, for example, 260787 + ... + 303397.

It is an arithmetic number, because the mean of its divisors is an integer number (885903480).

Almost surely, 2^12020222212 is an apocalyptic number.

It is an amenable number.

12020222212 is a deficient number, since it is larger than the sum of its proper divisors (9241461308).

12020222212 is a wasteful number, since it uses less digits than its factorization.

12020222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43371 (or 43369 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12020222212 its reverse (21222202021), we get a palindrome (33242424233).

The spelling of 12020222212 in words is "twelve billion, twenty million, two hundred twenty-two thousand, two hundred twelve".