222120300012 has 96 divisors (see below), whose sum is σ = 565907005440. Its totient is φ = 67398735360.

The previous prime is 222120299971. The next prime is 222120300047. The reversal of 222120300012 is 210003021222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222120299964 and 222120300000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5296687 + ... + 5338457.

It is an arithmetic number, because the mean of its divisors is an integer number (5894864640).

Almost surely, 2^222120300012 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 222120300012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282953502720).

222120300012 is an abundant number, since it is smaller than the sum of its proper divisors (343786705428).

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

222120300012 is a wasteful number, since it uses less digits than its factorization.

222120300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42263 (or 42261 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 222120300012 its reverse (210003021222), we get a palindrome (432123321234).

The spelling of 222120300012 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred thousand, twelve".