122201022010200 has 384 divisors, whose sum is σ = 447125999961600. Its totient is φ = 27024920801280.

The previous prime is 122201022010187. The next prime is 122201022010211. The reversal of 122201022010200 is 2010220102221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122201022010200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25620052 + ... + 30013148.

It is an arithmetic number, because the mean of its divisors is an integer number (1164390624900).

Almost surely, 2^{122201022010200} is an apocalyptic number.

122201022010200 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 122201022010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223562999980800).

122201022010200 is an abundant number, since it is smaller than the sum of its proper divisors (324924977951400).

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

122201022010200 is a wasteful number, since it uses less digits than its factorization.

122201022010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393339 (or 4393330 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122201022010200 its reverse (2010220102221), we get a palindrome (124211242112421).

The spelling of 122201022010200 in words is "one hundred twenty-two trillion, two hundred one billion, twenty-two million, ten thousand, two hundred".