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12212200200 = 2335281125097
BaseRepresentation
bin10110101111110011…
…10110001100001000
31011112002102001022010
423113321312030020
5200002310401300
65335445455520
7611425663134
oct132771661410
934462361263
1012212200200
1151a7517842
122449a115a0
1311c8100c85
1483bc983c4
154b71d9a50
hex2d7e76308

12212200200 has 96 divisors (see below), whose sum is σ = 37906011360. Its totient is φ = 3252441600.

The previous prime is 12212200199. The next prime is 12212200207. The reversal of 12212200200 is 200221221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12212200207) 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, 474052 + ... + 499148.

It is an arithmetic number, because the mean of its divisors is an integer number (394854285).

Almost surely, 212212200200 is an apocalyptic number.

12212200200 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 12212200200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18953005680).

12212200200 is an abundant number, since it is smaller than the sum of its proper divisors (25693811160).

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

12212200200 is a wasteful number, since it uses less digits than its factorization.

12212200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25927 (or 25918 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12212200200 its reverse (200221221), we get a palindrome (12412421421).

The spelling of 12212200200 in words is "twelve billion, two hundred twelve million, two hundred thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 811 1622 2433 3244 4055 4866 6488 8110 9732 12165 16220 19464 20275 24330 25097 32440 40550 48660 50194 60825 75291 81100 97320 100388 121650 125485 150582 162200 200776 243300 250970 301164 376455 486600 501940 602328 627425 752910 1003880 1254850 1505820 1882275 2509700 3011640 3764550 5019400 7529100 15058200 20353667 40707334 61061001 81414668 101768335 122122002 162829336 203536670 244244004 305305005 407073340 488488008 508841675 610610010 814146680 1017683350 1221220020 1526525025 2035366700 2442440040 3053050050 4070733400 6106100100 12212200200