222112101000012 has 96 divisors (see below), whose sum is σ = 548215420435200. Its totient is φ = 69796816646400.

The previous prime is 222112100999969. The next prime is 222112101000071. The reversal of 222112101000012 is 210000101211222.

It is a junction number, because it is equal to n+sod(n) for n = 222112100999955 and 222112101000000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96023587 + ... + 98309477.

It is an arithmetic number, because the mean of its divisors is an integer number (5710577296200).

Almost surely, 2^{222112101000012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222112101000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274107710217600).

222112101000012 is an abundant number, since it is smaller than the sum of its proper divisors (326103319435188).

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

222112101000012 is a wasteful number, since it uses less digits than its factorization.

222112101000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288007 (or 2288005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222112101000012 its reverse (210000101211222), we get a palindrome (432112202211234).

The spelling of 222112101000012 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred one million, twelve", and thus it is an aban number.