122201320122 has 24 divisors (see below), whose sum is σ = 302593745376. Its totient is φ = 34914662856.

The previous prime is 122201320121. The next prime is 122201320147. The reversal of 122201320122 is 221023102221.

122201320122 is a `hidden beast` number, since 1 + 2 + 220 + 1 + 320 + 122 = 666.

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 = 122201320095 and 122201320104.

It is not an unprimeable number, because it can be changed into a prime (122201320121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484925748 + ... + 484925999.

It is an arithmetic number, because the mean of its divisors is an integer number (12608072724).

Almost surely, 2^122201320122 is an apocalyptic number.

122201320122 is an abundant number, since it is smaller than the sum of its proper divisors (180392425254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122201320122 is a wasteful number, since it uses less digits than its factorization.

122201320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969851762 (or 969851759 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122201320122 its reverse (221023102221), we get a palindrome (343224422343).

The spelling of 122201320122 in words is "one hundred twenty-two billion, two hundred one million, three hundred twenty thousand, one hundred twenty-two".