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212100120020201 = 72411203710444979
BaseRepresentation
bin110000001110011101101000…
…010011111000010011101001
31000210222120111001012011101012
4300032131220103320103221
5210300022021211121301
62031033241111033305
762450504461422620
oct6016355023702351
91023876431164335
10212100120020201
11616441793491a6
121b95651106b835
139146c562c136a
143a539b45866b7
15197c326a05ebb
hexc0e7684f84e9

212100120020201 has 16 divisors (see below), whose sum is σ = 243426191648640. Its totient is φ = 181030687499520.

The previous prime is 212100120020183. The next prime is 212100120020227. The reversal of 212100120020201 is 102020021001212.

It is a cyclic number.

It is not a de Polignac number, because 212100120020201 - 214 = 212100120003817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212100120020231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15083930 + ... + 25528908.

It is an arithmetic number, because the mean of its divisors is an integer number (15214136978040).

Almost surely, 2212100120020201 is an apocalyptic number.

It is an amenable number.

212100120020201 is a deficient number, since it is larger than the sum of its proper divisors (31326071628439).

212100120020201 is a wasteful number, since it uses less digits than its factorization.

212100120020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10457264.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212100120020201 its reverse (102020021001212), we get a palindrome (314120141021413).

The spelling of 212100120020201 in words is "two hundred twelve trillion, one hundred billion, one hundred twenty million, twenty thousand, two hundred one".

Divisors: 1 7 241 1687 12037 84259 2900917 10444979 20306419 73114853 2517239939 17620679573 125726212223 880083485561 30300017145743 212100120020201