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12010221201200 = 2452101739402277
BaseRepresentation
bin1010111011000101100011…
…1101111110011100110000
31120112011110222001220220212
42232301120331332130300
53033233413111414300
641313230333523252
72346465322542635
oct256613075763460
946464428056825
1012010221201200
113910562842622
12141b7b2943528
13691736178431
142d742528218c
1515c630424935
hexaec58f7e730

12010221201200 has 120 divisors (see below), whose sum is σ = 29179749645840. Its totient is φ = 4750075008000.

The previous prime is 12010221201161. The next prime is 12010221201203. The reversal of 12010221201200 is 210212201021.

It is not an unprimeable number, because it can be changed into a prime (12010221201203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29654462 + ... + 30056738.

It is an arithmetic number, because the mean of its divisors is an integer number (243164580382).

Almost surely, 212010221201200 is an apocalyptic number.

12010221201200 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 12010221201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14589874822920).

12010221201200 is an abundant number, since it is smaller than the sum of its proper divisors (17169528444640).

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

12010221201200 is a wasteful number, since it uses less digits than its factorization.

12010221201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403135 (or 403124 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12010221201200 its reverse (210212201021), we get a palindrome (12220433402221).

The spelling of 12010221201200 in words is "twelve trillion, ten billion, two hundred twenty-one million, two hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 101 200 202 400 404 505 739 808 1010 1478 1616 2020 2525 2956 3695 4040 5050 5912 7390 8080 10100 11824 14780 18475 20200 29560 36950 40400 59120 73900 74639 147800 149278 295600 298556 373195 402277 597112 746390 804554 1194224 1492780 1609108 1865975 2011385 2985560 3218216 3731950 4022770 5971120 6436432 7463900 8045540 10056925 14927800 16091080 20113850 29855600 32182160 40227700 40629977 80455400 81259954 160910800 162519908 203149885 297282703 325039816 406299770 594565406 650079632 812599540 1015749425 1189130812 1486413515 1625199080 2031498850 2378261624 2972827030 3250398160 4062997700 4756523248 5945654060 7432067575 8125995400 11891308120 14864135150 16251990800 23782616240 29728270300 30025553003 59456540600 60051106006 118913081200 120102212012 150127765015 240204424024 300255530030 480408848048 600511060060 750638825075 1201022120120 1501277650150 2402044240240 3002555300300 6005110600600 12010221201200