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201201012000 = 25325317931223
BaseRepresentation
bin1011101101100010000…
…0111100110100100000
3201020100001012102020100
42323120200330310200
511244024424341000
6232232551542400
720351643245502
oct2733040746440
9636301172210
10201201012000
11783687a92aa
1232bb198aa00
1315c860a9171
149a497d5d72
155378b0ea00
hex2ed883cd20

201201012000 has 288 divisors, whose sum is σ = 718074564480. Its totient is φ = 53352153600.

The previous prime is 201201011969. The next prime is 201201012007. The reversal of 201201012000 is 210102102.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (201201012007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6428389 + ... + 6459611.

It is an arithmetic number, because the mean of its divisors is an integer number (2493314460).

Almost surely, 2201201012000 is an apocalyptic number.

201201012000 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 201201012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359037282240).

201201012000 is an abundant number, since it is smaller than the sum of its proper divisors (516873552480).

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

201201012000 is a wasteful number, since it uses less digits than its factorization.

201201012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31433 (or 31412 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 201201012000 its reverse (210102102), we get a palindrome (201411114102).

The spelling of 201201012000 in words is "two hundred one billion, two hundred one million, twelve thousand".