222210120012 has 12 divisors (see below), whose sum is σ = 518490280056. Its totient is φ = 74070040000.

The previous prime is 222210119977. The next prime is 222210120019. The reversal of 222210120012 is 210021012222.

222210120012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 222210119973 and 222210120000.

It is not an unprimeable number, because it can be changed into a prime (222210120019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9258754989 + ... + 9258755012.

It is an arithmetic number, because the mean of its divisors is an integer number (43207523338).

Almost surely, 2^222210120012 is an apocalyptic number.

It is an amenable number.

222210120012 is an abundant number, since it is smaller than the sum of its proper divisors (296280160044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222210120012 is a wasteful number, since it uses less digits than its factorization.

222210120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18517510008 (or 18517510006 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222210120012 its reverse (210021012222), we get a palindrome (432231132234).

The spelling of 222210120012 in words is "two hundred twenty-two billion, two hundred ten million, one hundred twenty thousand, twelve".