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212010012102222 = 23271165892028249
BaseRepresentation
bin110000001101001001101101…
…011101011100111001001110
31000210122221220021020122121200
4300031021231131130321032
5210242033001044232342
62030524015513410330
762441134511645445
oct6015115535347116
91023587807218550
10212010012102222
1161609a398187a4
121b940b641099a6
13913b5c60155b9
143a4d4a71d5d5c
151979d00e5d94c
hexc0d26d75ce4e

212010012102222 has 24 divisors (see below), whose sum is σ = 465824815326000. Its totient is φ = 69674651864160.

The previous prime is 212010012102169. The next prime is 212010012102247. The reversal of 212010012102222 is 222201210010212.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 212010012102195 and 212010012102204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82946012847 + ... + 82946015402.

It is an arithmetic number, because the mean of its divisors is an integer number (19409367305250).

Almost surely, 2212010012102222 is an apocalyptic number.

212010012102222 is an abundant number, since it is smaller than the sum of its proper divisors (253814803223778).

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

212010012102222 is a wasteful number, since it uses less digits than its factorization.

212010012102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165892028328 (or 165892028325 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212010012102222 its reverse (222201210010212), we get a palindrome (434211222112434).

The spelling of 212010012102222 in words is "two hundred twelve trillion, ten billion, twelve million, one hundred two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 1278 165892028249 331784056498 497676084747 995352169494 1493028254241 2986056508482 11778334005679 23556668011358 35335002017037 70670004034074 106005006051111 212010012102222