120212220122 has 16 divisors (see below), whose sum is σ = 191019591360. Its totient is φ = 56542515648.

The previous prime is 120212220119. The next prime is 120212220209. The reversal of 120212220122 is 221022212021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 120212220122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803222 + ... + 941057.

It is an arithmetic number, because the mean of its divisors is an integer number (11938724460).

Almost surely, 2^120212220122 is an apocalyptic number.

120212220122 is a deficient number, since it is larger than the sum of its proper divisors (70807371238).

120212220122 is a wasteful number, since it uses less digits than its factorization.

120212220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746325.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120212220122 its reverse (221022212021), we get a palindrome (341234432143).

The spelling of 120212220122 in words is "one hundred twenty billion, two hundred twelve million, two hundred twenty thousand, one hundred twenty-two".