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12231324200 = 2352294349043
BaseRepresentation
bin10110110010000101…
…10011001000101000
31011120102101122111102
423121002303020220
5200022204333300
65341411420532
7612050353214
oct133102631050
934512348442
1012231324200
1152072999a7
1224542b4748
1311cc068754
14840635944
154b8c160d5
hex2d90b3228

12231324200 has 96 divisors (see below), whose sum is σ = 30103207200. Its totient is φ = 4613871360.

The previous prime is 12231324181. The next prime is 12231324239. The reversal of 12231324200 is 242313221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224879 + ... + 273921.

It is an arithmetic number, because the mean of its divisors is an integer number (313575075).

Almost surely, 212231324200 is an apocalyptic number.

12231324200 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 12231324200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15051603600).

12231324200 is an abundant number, since it is smaller than the sum of its proper divisors (17871883000).

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

12231324200 is a wasteful number, since it uses less digits than its factorization.

12231324200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49131 (or 49122 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12231324200 its reverse (242313221), we get a palindrome (12473637421).

The spelling of 12231324200 in words is "twelve billion, two hundred thirty-one million, three hundred twenty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 29 40 43 50 58 86 100 116 145 172 200 215 232 290 344 430 580 725 860 1075 1160 1247 1450 1720 2150 2494 2900 4300 4988 5800 6235 8600 9976 12470 24940 31175 49043 49880 62350 98086 124700 196172 245215 249400 392344 490430 980860 1226075 1422247 1961720 2108849 2452150 2844494 4217698 4904300 5688988 7111235 8435396 9808600 10544245 11377976 14222470 16870792 21088490 28444940 35556175 42176980 52721225 56889880 61156621 71112350 84353960 105442450 122313242 142224700 210884900 244626484 284449400 305783105 421769800 489252968 611566210 1223132420 1528915525 2446264840 3057831050 6115662100 12231324200