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112100100211212 = 223172110929147101
BaseRepresentation
bin11001011111010001010110…
…101001110000001000001100
3112200220122221201121020021020
4121133101112221300020030
5104143122001123224322
61034230024115434140
732416651662005241
oct3137212651601014
9480818851536236
10112100100211212
113279a427142263
12106a59008b5950
134a71cc0030c29
141d97960c995c8
15ce5eaa62205c
hex65f456a7020c

112100100211212 has 72 divisors (see below), whose sum is σ = 278108822559120. Its totient is φ = 35136945638400.

The previous prime is 112100100211193. The next prime is 112100100211243. The reversal of 112100100211212 is 212112001001211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 112100100211191 and 112100100211200.

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, 10727539 + ... + 18419562.

Almost surely, 2112100100211212 is an apocalyptic number.

112100100211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112100100211212 is an abundant number, since it is smaller than the sum of its proper divisors (166008722347908).

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

112100100211212 is a wasteful number, since it uses less digits than its factorization.

112100100211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29148251 (or 29148232 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112100100211212 its reverse (212112001001211), we get a palindrome (324212101212423).

The spelling of 112100100211212 in words is "one hundred twelve trillion, one hundred billion, one hundred million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 289 578 867 1109 1156 1734 2218 3327 3468 4436 6654 13308 18853 37706 56559 75412 113118 226236 320501 641002 961503 1282004 1923006 3846012 29147101 58294202 87441303 116588404 174882606 349765212 495500717 991001434 1486502151 1982002868 2973004302 5946008604 8423512189 16847024378 25270536567 32324135009 33694048756 50541073134 64648270018 96972405027 101082146268 129296540036 193944810054 387889620108 549510295153 1099020590306 1648530885459 2198041180612 3297061770918 6594123541836 9341675017601 18683350035202 28025025052803 37366700070404 56050050105606 112100100211212