120001220122 has 16 divisors (see below), whose sum is σ = 205758164160. Its totient is φ = 51418647648.

The previous prime is 120001220111. The next prime is 120001220153. The reversal of 120001220122 is 221022100021.

It is a happy number.

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, 798972 + ... + 937207.

It is an arithmetic number, because the mean of its divisors is an integer number (12859885260).

Almost surely, 2^120001220122 is an apocalyptic number.

120001220122 is a deficient number, since it is larger than the sum of its proper divisors (85756944038).

120001220122 is a wasteful number, since it uses less digits than its factorization.

120001220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741125.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120001220122 its reverse (221022100021), we get a palindrome (341023320143).

The spelling of 120001220122 in words is "one hundred twenty billion, one million, two hundred twenty thousand, one hundred twenty-two".