122102222200 has 96 divisors (see below), whose sum is σ = 324997948800. Its totient is φ = 41792019840.

The previous prime is 122102222173. The next prime is 122102222273. The reversal of 122102222200 is 2222201221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 747511 + ... + 896089.

It is an arithmetic number, because the mean of its divisors is an integer number (3385395300).

Almost surely, 2^122102222200 is an apocalyptic number.

122102222200 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 122102222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162498974400).

122102222200 is an abundant number, since it is smaller than the sum of its proper divisors (202895726600).

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

122102222200 is a wasteful number, since it uses less digits than its factorization.

122102222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149189 (or 149180 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122102222200 its reverse (2222201221), we get a palindrome (124324423421).

The spelling of 122102222200 in words is "one hundred twenty-two billion, one hundred two million, two hundred twenty-two thousand, two hundred".