120216555122 has 16 divisors (see below), whose sum is σ = 192822598872. Its totient is φ = 56012371200.

The previous prime is 120216555097. The next prime is 120216555161. The reversal of 120216555122 is 221555612021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 114371799721 + 5844755401 = 338189^2 + 76451^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17500433 + ... + 17507300.

Almost surely, 2^120216555122 is an apocalyptic number.

120216555122 is a deficient number, since it is larger than the sum of its proper divisors (72606043750).

120216555122 is a wasteful number, since it uses less digits than its factorization.

120216555122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35007853.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 120216555122 in words is "one hundred twenty billion, two hundred sixteen million, five hundred fifty-five thousand, one hundred twenty-two".