222020221012 has 12 divisors (see below), whose sum is σ = 388618849780. Its totient is φ = 110986263936.

The previous prime is 222020220973. The next prime is 222020221019. The reversal of 222020221012 is 210122020222.

It can be written as a sum of positive squares in 2 ways, for example, as 141747732036 + 80272488976 = 376494^2 + 283324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020221019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5940687 + ... + 5977942.

Almost surely, 2^222020221012 is an apocalyptic number.

It is an amenable number.

222020221012 is a deficient number, since it is larger than the sum of its proper divisors (166598628768).

222020221012 is a wasteful number, since it uses less digits than its factorization.

222020221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11923290 (or 11923288 counting only the distinct ones).

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

Adding to 222020221012 its reverse (210122020222), we get a palindrome (432142241234).

The spelling of 222020221012 in words is "two hundred twenty-two billion, twenty million, two hundred twenty-one thousand, twelve".