1222112022120 has 96 divisors (see below), whose sum is σ = 4332942637920. Its totient is φ = 296269580160.

The previous prime is 1222112022073. The next prime is 1222112022127. The reversal of 1222112022120 is 212202112221.

It is a happy number.

It is a super-2 number, since 2×1222112022120² (a number of 25 digits) contains 22 as substring.

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 = 1222112022093 and 1222112022102.

It is not an unprimeable number, because it can be changed into a prime (1222112022127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154303114 + ... + 154311033.

It is an arithmetic number, because the mean of its divisors is an integer number (45134819145).

Almost surely, 2^{1222112022120} is an apocalyptic number.

1222112022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222112022120 is an abundant number, since it is smaller than the sum of its proper divisors (3110830615800).

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

1222112022120 is a wasteful number, since it uses less digits than its factorization.

1222112022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308614175 (or 308614168 counting only the distinct ones).

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

Adding to 1222112022120 its reverse (212202112221), we get a palindrome (1434314134341).

The spelling of 1222112022120 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, twenty-two thousand, one hundred twenty".