120216122 has 12 divisors (see below), whose sum is σ = 195262830. Its totient is φ = 55484208.

The previous prime is 120216113. The next prime is 120216139. The reversal of 120216122 is 221612021.

It can be written as a sum of positive squares in 3 ways, for example, as 88755241 + 31460881 = 9421^2 + 5609^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120216122.

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, 177497 + ... + 178172.

Almost surely, 2^120216122 is an apocalyptic number.

120216122 is a deficient number, since it is larger than the sum of its proper divisors (75046708).

120216122 is a wasteful number, since it uses less digits than its factorization.

120216122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355697 (or 355684 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 120216122 is about 10964.3112870805. The cubic root of 120216122 is about 493.5383498791.

Adding to 120216122 its reverse (221612021), we get a palindrome (341828143).

The spelling of 120216122 in words is "one hundred twenty million, two hundred sixteen thousand, one hundred twenty-two".