122001201220 has 48 divisors (see below), whose sum is σ = 264506876928. Its totient is φ = 47219172480.

The previous prime is 122001201193. The next prime is 122001201239. The reversal of 122001201220 is 22102100221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122001201220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6254122 + ... + 6273598.

It is an arithmetic number, because the mean of its divisors is an integer number (5510559936).

Almost surely, 2^122001201220 is an apocalyptic number.

122001201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001201220 is an abundant number, since it is smaller than the sum of its proper divisors (142505675708).

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

122001201220 is a wasteful number, since it uses less digits than its factorization.

122001201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29620 (or 29618 counting only the distinct ones).

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

Adding to 122001201220 its reverse (22102100221), we get a palindrome (144103301441).

The spelling of 122001201220 in words is "one hundred twenty-two billion, one million, two hundred one thousand, two hundred twenty".