222120210012 has 96 divisors (see below), whose sum is σ = 528716160000. Its totient is φ = 72564670464.

The previous prime is 222120209989. The next prime is 222120210041. The reversal of 222120210012 is 210012021222.

It is a junction number, because it is equal to n+sod(n) for n = 222120209973 and 222120210000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157643164 + ... + 157644572.

It is an arithmetic number, because the mean of its divisors is an integer number (5507460000).

Almost surely, 2^222120210012 is an apocalyptic number.

It is an amenable number.

222120210012 is an abundant number, since it is smaller than the sum of its proper divisors (306595949988).

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

222120210012 is a wasteful number, since it uses less digits than its factorization.

222120210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603 (or 2601 counting only the distinct ones).

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

Adding to 222120210012 its reverse (210012021222), we get a palindrome (432132231234).

The spelling of 222120210012 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred ten thousand, twelve".