120222220122 has 12 divisors (see below), whose sum is σ = 260481476970. Its totient is φ = 40074073368.

The previous prime is 120222220099. The next prime is 120222220133. The reversal of 120222220122 is 221022222021.

It can be written as a sum of positive squares in only one way, i.e., 85298459481 + 34923760641 = 292059^2 + 186879^2 .

It is a super-2 number, since 2×120222220122² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6679012229 = 120222220122 / (1 + 2 + 0 + 2 + 2 + 2 + 2 + 2 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 120222220095 and 120222220104.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3339506097 + ... + 3339506132.

Almost surely, 2^120222220122 is an apocalyptic number.

120222220122 is an abundant number, since it is smaller than the sum of its proper divisors (140259256848).

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

120222220122 is a wasteful number, since it uses less digits than its factorization.

120222220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679012237 (or 6679012234 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 120222220122 its reverse (221022222021), we get a palindrome (341244442143).

The spelling of 120222220122 in words is "one hundred twenty billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty-two".