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12200222012200 = 23521032512359537
BaseRepresentation
bin1011000110001001010111…
…1001100011001100101000
31121012022220110010011202221
42301202111321203030220
53044342023313342300
641540412110403424
72366302606023265
oct261422571431450
947168813104687
1012200222012200
1139840a32a3062
121450599800574
136a6625a02311
143026cb37226c
15162550aeb31a
hexb1895e63328

12200222012200 has 96 divisors (see below), whose sum is σ = 28755028935360. Its totient is φ = 4813453440000.

The previous prime is 12200222012179. The next prime is 12200222012207. The reversal of 12200222012200 is 221022200221.

It is not an unprimeable number, because it can be changed into a prime (12200222012207) 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, 3990832 + ... + 6350368.

It is an arithmetic number, because the mean of its divisors is an integer number (299531551410).

Almost surely, 212200222012200 is an apocalyptic number.

12200222012200 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 12200222012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14377514467680).

12200222012200 is an abundant number, since it is smaller than the sum of its proper divisors (16554806923160).

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

12200222012200 is a wasteful number, since it uses less digits than its factorization.

12200222012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359907 (or 2359898 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12200222012200 its reverse (221022200221), we get a palindrome (12421244212421).

The spelling of 12200222012200 in words is "twelve trillion, two hundred billion, two hundred twenty-two million, twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 103 200 206 251 412 502 515 824 1004 1030 1255 2008 2060 2510 2575 4120 5020 5150 6275 10040 10300 12550 20600 25100 25853 50200 51706 103412 129265 206824 258530 517060 646325 1034120 1292650 2359537 2585300 4719074 5170600 9438148 11797685 18876296 23595370 47190740 58988425 94381480 117976850 235953700 243032311 471907400 486064622 592243787 972129244 1184487574 1215161555 1944258488 2368975148 2430323110 2961218935 4737950296 4860646220 5922437870 6075807775 9721292440 11844875740 12151615550 14806094675 23689751480 24303231100 29612189350 48606462200 59224378700 61001110061 118448757400 122002220122 244004440244 305005550305 488008880488 610011100610 1220022201220 1525027751525 2440044402440 3050055503050 6100111006100 12200222012200