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12122101122200 = 2352461641205111
BaseRepresentation
bin1011000001100110010110…
…0010000000010010011000
31120220212021001212210002122
42300121211202000102120
53042102030341402300
641440452200520412
72360535652304426
oct260314542002230
946825231783078
1012122101122200
113953a55074153
121439417180108
1369c155c98814
142dc9d9dc4116
151604cc5b0c85
hexb0665880498

12122101122200 has 96 divisors (see below), whose sum is σ = 28289223436320. Its totient is φ = 4830750720000.

The previous prime is 12122101122169. The next prime is 12122101122239. The reversal of 12122101122200 is 222110122121.

It is a congruent number.

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, 58997645 + ... + 59202755.

It is an arithmetic number, because the mean of its divisors is an integer number (294679410795).

Almost surely, 212122101122200 is an apocalyptic number.

12122101122200 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 12122101122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14144611718160).

12122101122200 is an abundant number, since it is smaller than the sum of its proper divisors (16167122314120).

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

12122101122200 is a wasteful number, since it uses less digits than its factorization.

12122101122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206229 (or 206220 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122101122200 its reverse (222110122121), we get a palindrome (12344211244321).

The spelling of 12122101122200 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, one hundred twenty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 461 641 922 1282 1844 2305 2564 3205 3688 4610 5128 6410 9220 11525 12820 16025 18440 23050 25640 32050 46100 64100 92200 128200 205111 295501 410222 591002 820444 1025555 1182004 1477505 1640888 2051110 2364008 2955010 4102220 5127775 5910020 7387525 8204440 10255550 11820040 14775050 20511100 29550100 41022200 59100200 94556171 131476151 189112342 262952302 378224684 472780855 525904604 657380755 756449368 945561710 1051809208 1314761510 1891123420 2363904275 2629523020 3286903775 3782246840 4727808550 5259046040 6573807550 9455617100 13147615100 18911234200 26295230200 60610505611 121221011222 242442022444 303052528055 484884044888 606105056110 1212210112220 1515262640275 2424420224440 3030525280550 6061050561100 12122101122200