120122112222 has 72 divisors (see below), whose sum is σ = 302814641376. Its totient is φ = 34314041664.

The previous prime is 120122112221. The next prime is 120122112223. The reversal of 120122112222 is 222211221021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120122112221) and next prime (120122112223).

It is a super-3 number, since 3×120122112222³ (a number of 34 digits) contains 333 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 = 120122112195 and 120122112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122112221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6382458 + ... + 6401250.

It is an arithmetic number, because the mean of its divisors is an integer number (4205758908).

Almost surely, 2^120122112222 is an apocalyptic number.

120122112222 is an abundant number, since it is smaller than the sum of its proper divisors (182692529154).

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

120122112222 is a wasteful number, since it uses less digits than its factorization.

120122112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26062 (or 26052 counting only the distinct ones).

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

Adding to 120122112222 its reverse (222211221021), we get a palindrome (342333333243).

The spelling of 120122112222 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twenty-two".