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12310221322030 = 25191312718772081
BaseRepresentation
bin1011001100100011001001…
…0111100111011100101110
31121120211211111020002102011
42303020302113213130232
53103142313124301110
642103123153351434
72410245521520502
oct263106227473456
947524744202364
1012310221322030
113a16810011685
12146997826857a
136b3b0601a028
14307b64416302
1516533cb0948a
hexb32325e772e

12310221322030 has 128 divisors (see below), whose sum is σ = 23627652618240. Its totient is φ = 4604760576000.

The previous prime is 12310221322027. The next prime is 12310221322031. The reversal of 12310221322030 is 3022312201321.

It is a junction number, because it is equal to n+sod(n) for n = 12310221321992 and 12310221322010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310221322031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5915530590 + ... + 5915532670.

It is an arithmetic number, because the mean of its divisors is an integer number (184591036080).

Almost surely, 212310221322030 is an apocalyptic number.

12310221322030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12310221322030 is a deficient number, since it is larger than the sum of its proper divisors (11317431296210).

12310221322030 is a wasteful number, since it uses less digits than its factorization.

12310221322030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12310221322030 its reverse (3022312201321), we get a palindrome (15332533523351).

The spelling of 12310221322030 in words is "twelve trillion, three hundred ten billion, two hundred twenty-one million, three hundred twenty-two thousand, thirty".

Divisors: 1 2 5 10 19 38 95 131 190 262 271 542 655 877 1310 1355 1754 2081 2489 2710 4162 4385 4978 5149 8770 10298 10405 12445 16663 20810 24890 25745 33326 35501 39539 51490 71002 79078 83315 114887 166630 177505 197695 229774 237667 272611 355010 395390 475334 545222 563951 574435 674519 1127902 1148870 1188335 1349038 1363055 1825037 2182853 2376670 2726110 2819755 3372595 3650074 4365706 4515673 5179609 5639510 6745190 9031346 9125185 10359218 10715069 10914265 18250370 21430138 21828530 22578365 25898045 31134377 34675703 45156730 51796090 53575345 62268754 69351406 73877581 107150690 147755162 155671885 173378515 239079847 311343770 346757030 369387905 478159694 494585027 591553163 738775810 989170054 1183106326 1195399235 1403674039 2390798470 2472925135 2807348078 2957765815 4542517093 4945850270 5915531630 7018370195 9085034186 9397115513 14036740390 18794231026 22712585465 45425170930 46985577565 64790638537 93971155130 129581277074 323953192685 647906385370 1231022132203 2462044264406 6155110661015 12310221322030