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12110002212220 = 225112915231246303
BaseRepresentation
bin1011000000111001010001…
…1000010100110101111100
31120212201000212122110202121
42300032110120110311330
53041402241031242340
641431131435132324
72356630100255413
oct260162430246574
946781025573677
1012110002212220
1139499065a5aa0
121436bbb2a40a4
1369ac784b26a3
142dc1ad1ba47a
1516002030394a
hexb0394614d7c

12110002212220 has 96 divisors (see below), whose sum is σ = 28718433515520. Its totient is φ = 4248992482560.

The previous prime is 12110002212211. The next prime is 12110002212221. The reversal of 12110002212220 is 2221220001121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12110002212194 and 12110002212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110002212221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9093589 + ... + 10339891.

It is an arithmetic number, because the mean of its divisors is an integer number (299150349120).

Almost surely, 212110002212220 is an apocalyptic number.

12110002212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12110002212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14359216757760).

12110002212220 is an abundant number, since it is smaller than the sum of its proper divisors (16608431303300).

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

12110002212220 is a wasteful number, since it uses less digits than its factorization.

12110002212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247875 (or 1247873 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12110002212220 its reverse (2221220001121), we get a palindrome (14331222213341).

The spelling of 12110002212220 in words is "twelve trillion, one hundred ten billion, two million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 145 220 290 319 580 638 1276 1523 1595 3046 3190 6092 6380 7615 15230 16753 30460 33506 44167 67012 83765 88334 167530 176668 220835 335060 441670 485837 883340 971674 1246303 1943348 2429185 2492606 4858370 4985212 6231515 9716740 12463030 13709333 24926060 27418666 36142787 54837332 68546665 72285574 137093330 144571148 180713935 274186660 361427870 397570657 722855740 795141314 1590282628 1898119469 1987853285 3796238938 3975706570 7592477876 7951413140 9490597345 18981194690 20879314159 37962389380 41758628318 55045464601 83517256636 104396570795 110090929202 208793141590 220181858404 275227323005 417586283180 550454646010 605500110611 1100909292020 1211000221222 2422000442444 3027500553055 6055001106110 12110002212220