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12220110210 = 2357117372467
BaseRepresentation
bin10110110000110000…
…00001010110000010
31011112122021220210110
423120120001112002
5200011322011320
65340331212150
7611553136320
oct133030012602
934478256713
1012220110210
115200a2a740
1224505a7056
1311c9940459
1483cd56d10
154b7c4d5e0
hex2d8601582

12220110210 has 128 divisors (see below), whose sum is σ = 37066512384. Its totient is φ = 2504424960.

The previous prime is 12220110209. The next prime is 12220110223. The reversal of 12220110210 is 1201102221.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132397 + ... + 204863.

It is an arithmetic number, because the mean of its divisors is an integer number (289582128).

Almost surely, 212220110210 is an apocalyptic number.

12220110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220110210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18533256192).

12220110210 is an abundant number, since it is smaller than the sum of its proper divisors (24846402174).

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

12220110210 is a wasteful number, since it uses less digits than its factorization.

12220110210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72568.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12220110210 its reverse (1201102221), we get a palindrome (13421212431).

The spelling of 12220110210 in words is "twelve billion, two hundred twenty million, one hundred ten thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 73 77 105 110 146 154 165 210 219 231 330 365 385 438 462 511 730 770 803 1022 1095 1155 1533 1606 2190 2310 2409 2555 3066 4015 4818 5110 5621 7665 8030 11242 12045 15330 16863 24090 28105 33726 56210 72467 84315 144934 168630 217401 362335 434802 507269 724670 797137 1014538 1087005 1521807 1594274 2174010 2391411 2536345 3043614 3985685 4782822 5072690 5290091 5579959 7609035 7971370 10580182 11159918 11957055 15218070 15870273 16739877 23914110 26450455 27899795 31740546 33479754 37030637 52900910 55799590 58191001 74061274 79351365 83699385 111091911 116382002 158702730 167398770 174573003 185153185 222183822 290955005 349146006 370306370 407337007 555459555 581910010 814674014 872865015 1110919110 1222011021 1745730030 2036685035 2444022042 4073370070 6110055105 12220110210