222221010000012 has 12 divisors (see below), whose sum is σ = 518515690000056. Its totient is φ = 74073670000000.

The previous prime is 222221009999987. The next prime is 222221010000019. The reversal of 222221010000012 is 210000010122222.

222221010000012 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 = 222221009999946 and 222221010000000.

It is not an unprimeable number, because it can be changed into a prime (222221010000019) 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, 9259208749989 + ... + 9259208750012.

It is an arithmetic number, because the mean of its divisors is an integer number (43209640833338).

Almost surely, 2^{222221010000012} is an apocalyptic number.

It is an amenable number.

222221010000012 is an abundant number, since it is smaller than the sum of its proper divisors (296294680000044).

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

222221010000012 is a wasteful number, since it uses less digits than its factorization.

222221010000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18518417500008 (or 18518417500006 counting only the distinct ones).

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

Adding to 222221010000012 its reverse (210000010122222), we get a palindrome (432221020122234).

The spelling of 222221010000012 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, ten million, twelve", and thus it is an aban number.