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212143344030120 = 233519255499364171
BaseRepresentation
bin110000001111000101111000…
…101010011001000110101000
31000211010201001101210101001110
4300033011320222121012220
5210301224032032430440
62031105150135350320
762453564554433346
oct6017057052310650
91024121041711043
10212143344030120
116166053a159648
121b9629748223a0
13914b05429aaa9
143a55b14dcc996
15197d506580080
hexc0f178a991a8

212143344030120 has 128 divisors (see below), whose sum is σ = 669930811200000. Its totient is φ = 53593751036160.

The previous prime is 212143344029989. The next prime is 212143344030131. The reversal of 212143344030120 is 21030443341212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582355635 + ... + 582719805.

It is an arithmetic number, because the mean of its divisors is an integer number (5233834462500).

Almost surely, 2212143344030120 is an apocalyptic number.

212143344030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212143344030120 is an abundant number, since it is smaller than the sum of its proper divisors (457787467169880).

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

212143344030120 is a wasteful number, since it uses less digits than its factorization.

212143344030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619703 (or 619699 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 212143344030120 its reverse (21030443341212), we get a palindrome (233173787371332).

The spelling of 212143344030120 in words is "two hundred twelve trillion, one hundred forty-three billion, three hundred forty-four million, thirty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 456 570 760 1140 2280 255499 364171 510998 728342 766497 1021996 1092513 1277495 1456684 1532994 1820855 2043992 2185026 2554990 2913368 3065988 3641710 3832485 4370052 4854481 5109980 5462565 6131976 6919249 7283420 7664970 8740104 9708962 10219960 10925130 13838498 14563443 14566840 15329940 19417924 20757747 21850260 24272405 27676996 29126886 30659880 34596245 38835848 41515494 43700520 48544810 55353992 58253772 69192490 72817215 83030988 97089620 103788735 116507544 138384980 145634430 166061976 194179240 207577470 276769960 291268860 415154940 582537720 830309880 93045326329 186090652658 279135978987 372181305316 465226631645 558271957974 744362610632 930453263290 1116543915948 1395679894935 1767861200251 1860906526580 2233087831896 2791359789870 3535722400502 3721813053160 5303583600753 5582719579740 7071444801004 8839306001255 10607167201506 11165439159480 14142889602008 17678612002510 21214334403012 26517918003765 35357224005020 42428668806024 53035836007530 70714448010040 106071672015060 212143344030120