120212122122 has 48 divisors (see below), whose sum is σ = 266181552000.
Its totient is φ = 39191562816.
The previous prime is 120212122109. The next prime is 120212122123. The reversal of 120212122122 is 221221212021.
Adding to 120212122122 its reverse (221221212021), we get a palindrome (341433334143).
It is a happy number.
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 = 120212122095 and 120212122104.
It is not an unprimeable number, because it can be changed into a prime (120212122123) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1220758 + ... + 1315550.
It is an arithmetic number, because the mean of its divisors is an integer number (5545449000).
Almost surely, 2120212122122 is an apocalyptic number.
120212122122 is an abundant number, since it is smaller than the sum of its proper divisors (145969429878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120212122122 is a wasteful number, since it uses less digits than its factorization.
120212122122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96347 (or 96344 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The spelling of 120212122122 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, one hundred twenty-two".