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212122020221212 = 221914094663424811
BaseRepresentation
bin110000001110110010000001…
…101010100001000100011100
31000211001200000022021122101011
4300032302001222201010130
5210300401344134034322
62031051302200225004
762452211256154303
oct6016620152410434
91024050008248334
10212122020221212
1161652497450382
121b95a80346b164
13914903657019a
143a54a90d8943a
15197cba94be677
hexc0ec81aa111c

212122020221212 has 48 divisors (see below), whose sum is σ = 391113193363200. Its totient is φ = 100385770383360.

The previous prime is 212122020221129. The next prime is 212122020221249.

212122020221212 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499120287 + ... + 499545097.

It is an arithmetic number, because the mean of its divisors is an integer number (8148191528400).

Almost surely, 2212122020221212 is an apocalyptic number.

It is an amenable number.

212122020221212 is a deficient number, since it is larger than the sum of its proper divisors (178991173141988).

212122020221212 is a wasteful number, since it uses less digits than its factorization.

212122020221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430906 (or 430904 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 212122020221212 in words is "two hundred twelve trillion, one hundred twenty-two billion, twenty million, two hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 1409 2818 4663 5636 9326 18652 26771 53542 88597 107084 177194 354388 424811 849622 1699244 6570167 8071409 13140334 16142818 26280668 32285636 124833173 249666346 499332692 598558699 1197117398 1980893693 2394234796 3961787386 7923574772 11372615281 22745230562 37636980167 45490461124 75273960334 150547920668 2791079213437 5582158426874 11164316853748 53030505055303 106061010110606 212122020221212