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212230012330 = 257316113112239
BaseRepresentation
bin1100010110100111100…
…1001111110110101010
3202021210200012200110001
43011221321033312222
511434121340343310
6241255213413214
721222154224430
oct3055171176652
9667720180401
10212230012330
1182008344506
123516b49a20a
131702301876b
14a3b4494d50
1557c1ecb93a
hex3169e4fdaa

212230012330 has 128 divisors (see below), whose sum is σ = 461593313280. Its totient is φ = 68728608000.

The previous prime is 212230012303. The next prime is 212230012363. The reversal of 212230012330 is 33210032212.

It is a junction number, because it is equal to n+sod(n) for n = 212230012298 and 212230012307.

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, 17334351 + ... + 17346589.

It is an arithmetic number, because the mean of its divisors is an integer number (3606197760).

Almost surely, 2212230012330 is an apocalyptic number.

212230012330 is an abundant number, since it is smaller than the sum of its proper divisors (249363300950).

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

212230012330 is a wasteful number, since it uses less digits than its factorization.

212230012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12476.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212230012330 its reverse (33210032212), we get a palindrome (245440044542).

The spelling of 212230012330 in words is "two hundred twelve billion, two hundred thirty million, twelve thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 61 62 70 122 131 155 217 262 305 310 427 434 610 655 854 917 1085 1310 1834 1891 2135 2170 3782 4061 4270 4585 7991 8122 9170 9455 12239 13237 15982 18910 20305 24478 26474 28427 39955 40610 55937 56854 61195 66185 79910 85673 111874 122390 132370 142135 171346 247721 279685 284270 379409 428365 495442 559370 746579 758818 856730 1238605 1493158 1603309 1734047 1897045 2477210 2655863 3206618 3468094 3732895 3794090 5226053 5311726 7465790 8016545 8670235 10452106 11223163 13279315 16033090 17340470 22446326 23143949 26130265 26558630 46287898 49702579 52260530 56115815 97801849 99405158 112231630 115719745 162007643 195603698 231439490 248512895 324015286 347918053 489009245 497025790 684612943 695836106 810038215 978018490 1369225886 1620076430 1739590265 3031857319 3423064715 3479180530 6063714638 6846129430 15159286595 21223001233 30318573190 42446002466 106115006165 212230012330