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200210121121200 = 24352437297531731
BaseRepresentation
bin101101100001011100001101…
…001001100101110110110000
3222020212220022120120222020120
4231201130031021211312300
5202220220312001334300
61545451132050210240
760112463304344511
oct5541341511456660
9866786276528216
10200210121121200
115887a6a99a6723
121a556090583980
13879396c3c5868
143762315d96a08
151822dd0d493a0
hexb6170d265db0

200210121121200 has 240 divisors, whose sum is σ = 656345801882496. Its totient is φ = 52140507955200.

The previous prime is 200210121121193. The next prime is 200210121121267. The reversal of 200210121121200 is 2121121012002.

It is a tau number, because it is divible by the number of its divisors (240).

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 200210121121200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 376259335 + ... + 376791065.

Almost surely, 2200210121121200 is an apocalyptic number.

200210121121200 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 200210121121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328172900941248).

200210121121200 is an abundant number, since it is smaller than the sum of its proper divisors (456135680761296).

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

200210121121200 is a wasteful number, since it uses less digits than its factorization.

200210121121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539092 (or 539081 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200210121121200 its reverse (2121121012002), we get a palindrome (202331242133202).

The spelling of 200210121121200 in words is "two hundred trillion, two hundred ten billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred".