222112012120 has 16 divisors (see below), whose sum is σ = 499752027360. Its totient is φ = 88844804832.

The previous prime is 222112012117. The next prime is 222112012123. The reversal of 222112012120 is 21210211222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222112012117) and next prime (222112012123).

It is a junction number, because it is equal to n+sod(n) for n = 222112012094 and 222112012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112012123) 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, 2776400112 + ... + 2776400191.

It is an arithmetic number, because the mean of its divisors is an integer number (31234501710).

Almost surely, 2^222112012120 is an apocalyptic number.

222112012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112012120 is an abundant number, since it is smaller than the sum of its proper divisors (277640015240).

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

222112012120 is a wasteful number, since it uses less digits than its factorization.

222112012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552800314 (or 5552800310 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222112012120 its reverse (21210211222), we get a palindrome (243322223342).

The spelling of 222112012120 in words is "two hundred twenty-two billion, one hundred twelve million, twelve thousand, one hundred twenty".