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212212010211212 = 221183101323573497
BaseRepresentation
bin110000010000000101110101…
…011111000101011110001100
31000211101021021212022210100202
4300100011311133011132030
5210303340144103224322
62031200503542113032
762461545304360214
oct6020056537053614
91024337255283322
10212212010211212
1161687676454840
121b974138a1b778
13915467829918b
143a5918a7dd244
1519801c4a20292
hexc101757c578c

212212010211212 has 48 divisors (see below), whose sum is σ = 410017889699712. Its totient is φ = 95296729207680.

The previous prime is 212212010211197. The next prime is 212212010211217. The reversal of 212212010211212 is 212112010212212.

It is not an unprimeable number, because it can be changed into a prime (212212010211217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369744848 + ... + 370318344.

It is an arithmetic number, because the mean of its divisors is an integer number (8542039368744).

Almost surely, 2212212010211212 is an apocalyptic number.

212212010211212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212212010211212 is a deficient number, since it is larger than the sum of its proper divisors (197805879488500).

212212010211212 is a wasteful number, since it uses less digits than its factorization.

212212010211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674918 (or 674916 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212212010211212 its reverse (212112010212212), we get a palindrome (424324020423424).

The spelling of 212212010211212 in words is "two hundred twelve trillion, two hundred twelve billion, ten million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 83 166 332 913 1826 3652 101323 202646 405292 573497 1114553 1146994 2229106 2293988 4458212 6308467 8409809 12616934 16819618 25233868 33639236 47600251 92507899 95200502 185015798 190401004 370031596 523602761 1047205522 2094411044 58108436531 116216873062 232433746124 639192801841 1278385603682 2556771207364 4823000232073 9646000464146 19292000928292 53053002552803 106106005105606 212212010211212