122000122220 has 48 divisors (see below), whose sum is σ = 267744512448. Its totient is φ = 46607573760.

The previous prime is 122000122213. The next prime is 122000122229. The reversal of 122000122220 is 22221000221.

122000122220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 122000122195 and 122000122204.

It is not an unprimeable number, because it can be changed into a prime (122000122229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103442 + ... + 504678.

It is an arithmetic number, because the mean of its divisors is an integer number (5578010676).

Almost surely, 2^122000122220 is an apocalyptic number.

122000122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122000122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133872256224).

122000122220 is an abundant number, since it is smaller than the sum of its proper divisors (145744390228).

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

122000122220 is a wasteful number, since it uses less digits than its factorization.

122000122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401930 (or 401928 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 122000122220 its reverse (22221000221), we get a palindrome (144221122441).

The spelling of 122000122220 in words is "one hundred twenty-two billion, one hundred twenty-two thousand, two hundred twenty".