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212011110122202 = 232151604271290857
BaseRepresentation
bin110000001101001010101110…
…111010000100001011011010
31000210200001201210100211212100
4300031022232322010023122
5210242042223142402302
62030524320500024230
762441203643654046
oct6015125672041332
91023601653324770
10212011110122202
116160a452600426
121b94120b992076
13913b73c651c71
143a4d56cd7b026
151979d67552d1c
hexc0d2aee842da

212011110122202 has 48 divisors (see below), whose sum is σ = 462407517703872. Its totient is φ = 70201138190400.

The previous prime is 212011110122107. The next prime is 212011110122293. The reversal of 212011110122202 is 202221011110212.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163595158 + ... + 164886014.

It is an arithmetic number, because the mean of its divisors is an integer number (9633489952164).

Almost surely, 2212011110122202 is an apocalyptic number.

212011110122202 is an abundant number, since it is smaller than the sum of its proper divisors (250396407581670).

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

212011110122202 is a wasteful number, since it uses less digits than its factorization.

212011110122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351443 (or 1351440 counting only the distinct ones).

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

Adding to 212011110122202 its reverse (202221011110212), we get a palindrome (414232121232414).

The spelling of 212011110122202 in words is "two hundred twelve trillion, eleven billion, one hundred ten million, one hundred twenty-two thousand, two hundred two".

Divisors: 1 2 3 6 9 18 151 302 453 906 1359 2718 60427 120854 181281 362562 543843 1087686 1290857 2581714 3872571 7745142 9124477 11617713 18248954 23235426 27373431 54746862 82120293 164240586 194919407 389838814 584758221 1169516442 1754274663 3508549326 78002615939 156005231878 234007847817 468015695634 702023543451 1404047086902 11778395006789 23556790013578 35335185020367 70670370040734 106005555061101 212011110122202