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201211202110212 = 223279710379917641
BaseRepresentation
bin101101110000000000100010…
…001110100000001100000100
3222101102121021122002022212200
4231300000202032200030010
5202333121020220011322
61551535052234114500
760245013106350150
oct5560004216401404
9871377248068780
10201211202110212
1159126212031668
121a6980b457ba30
13883719a616b68
143798961bd0060
15183de7243d8ac
hexb700223a0304

201211202110212 has 144 divisors (see below), whose sum is σ = 592971002088192. Its totient is φ = 56343854223360.

The previous prime is 201211202110157. The next prime is 201211202110213. The reversal of 201211202110212 is 212011202112102.

201211202110212 is a `hidden beast` number, since 2 + 0 + 121 + 120 + 211 + 0 + 212 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (201211202110213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37441089 + ... + 42476552.

It is an arithmetic number, because the mean of its divisors is an integer number (4117854181168).

Almost surely, 2201211202110212 is an apocalyptic number.

It is an amenable number.

201211202110212 is an abundant number, since it is smaller than the sum of its proper divisors (391759799977980).

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

201211202110212 is a wasteful number, since it uses less digits than its factorization.

201211202110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79917858 (or 79917853 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201211202110212 its reverse (212011202112102), we get a palindrome (413222404222314).

The spelling of 201211202110212 in words is "two hundred one trillion, two hundred eleven billion, two hundred two million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 97 103 126 194 206 252 291 309 388 412 582 618 679 721 873 927 1164 1236 1358 1442 1746 1854 2037 2163 2716 2884 3492 3708 4074 4326 6111 6489 8148 8652 9991 12222 12978 19982 24444 25956 29973 39964 59946 69937 89919 119892 139874 179838 209811 279748 359676 419622 629433 839244 1258866 2517732 79917641 159835282 239752923 319670564 479505846 559423487 719258769 959011692 1118846974 1438517538 1678270461 2237693948 2877035076 3356540922 5034811383 6713081844 7752011177 8231517023 10069622766 15504022354 16463034046 20139245532 23256033531 24694551069 31008044708 32926068092 46512067062 49389102138 54264078239 57620619161 69768100593 74083653207 93024134124 98778204276 108528156478 115241238322 139536201186 148167306414 162792234717 172861857483 217056312956 230482476644 279072402372 296334612828 325584469434 345723714966 488376704151 518585572449 651168938868 691447429932 798457151231 976753408302 1037171144898 1596914302462 1953506816604 2074342289796 2395371453693 3193828604924 4790742907386 5589200058617 7186114361079 9581485814772 11178400117234 14372228722158 16767600175851 22356800234468 28744457444316 33535200351702 50302800527553 67070400703404 100605601055106 201211202110212