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12102130021230 = 23251071361392317
BaseRepresentation
bin1011000000011011111100…
…1010010011001101101110
31120211221201020201201212100
42300012333022103031232
53041240130241134410
641423350342515530
72356231030612314
oct260067712231556
946757636651770
1012102130021230
113946536993427
121435582a35ba6
1369a2c259ba02
142dba638a20b4
1515ec0e1528c0
hexb01bf29336e

12102130021230 has 96 divisors (see below), whose sum is σ = 31762285592544. Its totient is φ = 3196804117248.

The previous prime is 12102130021211. The next prime is 12102130021339. The reversal of 12102130021230 is 3212003120121.

12102130021230 is a `hidden beast` number, since 1 + 210 + 213 + 0 + 0 + 212 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131047032 + ... + 131139348.

It is an arithmetic number, because the mean of its divisors is an integer number (330857141589).

Almost surely, 212102130021230 is an apocalyptic number.

12102130021230 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 12102130021230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15881142796272).

12102130021230 is an abundant number, since it is smaller than the sum of its proper divisors (19660155571314).

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

12102130021230 is a wasteful number, since it uses less digits than its factorization.

12102130021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106050 (or 106047 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12102130021230 its reverse (3212003120121), we get a palindrome (15314133141351).

The spelling of 12102130021230 in words is "twelve trillion, one hundred two billion, one hundred thirty million, twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 107 214 321 535 642 963 1070 1605 1926 3210 4815 9630 13613 27226 40839 68065 81678 92317 122517 136130 184634 204195 245034 276951 408390 461585 553902 612585 830853 923170 1225170 1384755 1456591 1661706 2769510 2913182 4154265 4369773 7282955 8308530 8739546 9877919 13109319 14565910 19755838 21848865 26218638 29633757 43697730 49389595 59267514 65546595 88901271 98779190 131093190 148168785 177802542 296337570 444506355 889012710 1256711321 2513422642 3770133963 6283556605 7540267926 11310401889 12567113210 18850669815 22620803778 37701339630 56552009445 113104018890 134468111347 268936222694 403404334041 672340556735 806808668082 1210213002123 1344681113470 2017021670205 2420426004246 4034043340410 6051065010615 12102130021230