2222112012120 has 384 divisors, whose sum is σ = 9696490352640. Its totient is φ = 426219217920.

The previous prime is 2222112012103. The next prime is 2222112012139. The reversal of 2222112012120 is 212102112222.

It is a happy number.

2222112012120 is a `hidden beast` number, since 222 + 211 + 20 + 1 + 212 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2222112012093 and 2222112012102.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 2722824 + ... + 3443543.

It is an arithmetic number, because the mean of its divisors is an integer number (25251276960).

Almost surely, 2^{2222112012120} is an apocalyptic number.

2222112012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222112012120 is an abundant number, since it is smaller than the sum of its proper divisors (7474378340520).

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

2222112012120 is a wasteful number, since it uses less digits than its factorization.

2222112012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6166415 (or 6166408 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2222112012120 its reverse (212102112222), we get a palindrome (2434214124342).

The spelling of 2222112012120 in words is "two trillion, two hundred twenty-two billion, one hundred twelve million, twelve thousand, one hundred twenty".