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212012000122120 = 235112491991933577
BaseRepresentation
bin110000001101001011100011…
…111101001001010100001000
31000210200011000211001112020021
4300031023203331021110020
5210242101034012401440
62030524545051510224
762441235001563022
oct6015134375112410
91023604024045207
10212012000122120
116160a869a22550
121b941419a58374
13913b851b56a33
143a4d615253012
151979dba75684a
hexc0d2e3f49508

212012000122120 has 64 divisors (see below), whose sum is σ = 520395448608000. Its totient is φ = 77094923527680.

The previous prime is 212012000122103. The next prime is 212012000122157. The reversal of 212012000122120 is 21221000210212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212012000122094 and 212012000122103.

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, 108680772 + ... + 110614348.

It is an arithmetic number, because the mean of its divisors is an integer number (8131178884500).

Almost surely, 2212012000122120 is an apocalyptic number.

212012000122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012000122120 is an abundant number, since it is smaller than the sum of its proper divisors (308383448485880).

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

212012000122120 is a wasteful number, since it uses less digits than its factorization.

212012000122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182798 (or 2182794 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212012000122120 its reverse (21221000210212), we get a palindrome (233233000332332).

The spelling of 212012000122120 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 249199 498398 996796 1245995 1933577 1993592 2491990 2741189 3867154 4983980 5482378 7734308 9667885 9967960 10964756 13705945 15468616 19335770 21269347 21929512 27411890 38671540 42538694 54823780 77343080 85077388 106346735 109647560 170154776 212693470 425386940 850773880 481845454823 963690909646 1927381819292 2409227274115 3854763638584 4818454548230 5300300003053 9636909096460 10600600006106 19273818192920 21201200012212 26501500015265 42402400024424 53003000030530 106006000061060 212012000122120