122120121222 has 48 divisors (see below), whose sum is σ = 295687763280. Its totient is φ = 36103507200.

The previous prime is 122120121199. The next prime is 122120121241. The reversal of 122120121222 is 222121021221.

It is a happy number.

122120121222 is a `hidden beast` number, since 1 + 221 + 201 + 21 + 222 = 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 = 122120121195 and 122120121204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7513447 + ... + 7529682.

It is an arithmetic number, because the mean of its divisors is an integer number (6160161735).

Almost surely, 2^122120121222 is an apocalyptic number.

122120121222 is an abundant number, since it is smaller than the sum of its proper divisors (173567642058).

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

122120121222 is a wasteful number, since it uses less digits than its factorization.

122120121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15043189 (or 15043186 counting only the distinct ones).

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

Adding to 122120121222 its reverse (222121021221), we get a palindrome (344241142443).

It can be divided in two parts, 122120 and 121222, that added together give a palindrome (243342).

The spelling of 122120121222 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twenty-two".