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112210201211212 = 221319713215949741
BaseRepresentation
bin11001100000110111111001…
…001011101111000101001100
3112201022012010212001112121001
4121200313321023233011030
5104201422443002224322
61034352353234150044
732430630251034316
oct3140677113570514
9481265125045531
10112210201211212
11328320962a7145
1210703109422324
134a7c4b8431840
141d9d0076507b6
15ce8ca151a827
hex660df92ef14c

112210201211212 has 96 divisors (see below), whose sum is σ = 225750047846400. Its totient is φ = 48370056940800.

The previous prime is 112210201211179. The next prime is 112210201211249. The reversal of 112210201211212 is 212112102012211.

It is a happy number.

It is a super-2 number, since 2×1122102012112122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 112210201211212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2255864662 + ... + 2255914402.

It is an arithmetic number, because the mean of its divisors is an integer number (2351562998400).

Almost surely, 2112210201211212 is an apocalyptic number.

It is an amenable number.

112210201211212 is an abundant number, since it is smaller than the sum of its proper divisors (113539846635188).

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

112210201211212 is a wasteful number, since it uses less digits than its factorization.

112210201211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82007 (or 82005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112210201211212 its reverse (212112102012211), we get a palindrome (324322303223423).

The spelling of 112210201211212 in words is "one hundred twelve trillion, two hundred ten billion, two hundred one million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 13 19 26 38 52 71 76 142 247 284 494 923 988 1349 1846 2698 3692 5396 17537 32159 35074 49741 64318 70148 99482 128636 198964 418067 611021 646633 836134 945079 1222042 1293266 1672268 1890158 2283289 2444084 2586532 3531611 3780316 4566578 7063222 7943273 9133156 12286027 14126444 15886546 24572054 29682757 31773092 43382491 45910943 49144108 59365514 67100609 86764982 91821886 118731028 134201218 173529964 183643772 268402436 563972383 872307917 1127944766 1599620819 1744615834 2255889532 3199241638 3489231668 6398483276 20795070647 30392795561 41590141294 60785591122 83180282588 113573078149 121571182244 227146156298 395106342293 454292312596 790212684586 1476450015937 1580425369172 2157888484831 2952900031874 4315776969662 5905800063748 8631553939324 28052550302803 56105100605606 112210201211212