200011212222120 has 384 divisors, whose sum is σ = 719180219197440. Its totient is φ = 47894272634880.

The previous prime is 200011212222097. The next prime is 200011212222149. The reversal of 200011212222120 is 21222212110002.

It is a happy number.

200011212222120 is a `hidden beast` number, since 200 + 0 + 1 + 121 + 2 + 222 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200011212222093 and 200011212222102.

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, 65080377 + ... + 68084343.

It is an arithmetic number, because the mean of its divisors is an integer number (1872865154160).

Almost surely, 2^{200011212222120} is an apocalyptic number.

200011212222120 is a gapful number since it is divisible by the number (20) 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 200011212222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359590109598720).

200011212222120 is an abundant number, since it is smaller than the sum of its proper divisors (519169006975320).

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

200011212222120 is a wasteful number, since it uses less digits than its factorization.

200011212222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004385 (or 3004378 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200011212222120 its reverse (21222212110002), we get a palindrome (221233424332122).

The spelling of 200011212222120 in words is "two hundred trillion, eleven billion, two hundred twelve million, two hundred twenty-two thousand, one hundred twenty".