122222112220200 has 192 divisors, whose sum is σ = 392001004526400. Its totient is φ = 31464881459200.

The previous prime is 122222112220199. The next prime is 122222112220211. The reversal of 122222112220200 is 2022211222221.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145096240 + ... + 145936160.

It is an arithmetic number, because the mean of its divisors is an integer number (2041671898575).

Almost surely, 2^{122222112220200} is an apocalyptic number.

122222112220200 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 122222112220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196000502263200).

122222112220200 is an abundant number, since it is smaller than the sum of its proper divisors (269778892306200).

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

122222112220200 is a wasteful number, since it uses less digits than its factorization.

122222112220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848332 (or 848323 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122222112220200 its reverse (2022211222221), we get a palindrome (124244323442421).

The spelling of 122222112220200 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty thousand, two hundred".