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12102300222100 = 22521121194183761
BaseRepresentation
bin1011000000011100100101…
…0011100100001010010100
31120211222011002222211120021
42300013021103210022110
53041241002324101400
641423415302514524
72356235165365624
oct260071123441224
946758132884507
1012102300222100
113946613a72900
12143560ba35a44
1369a31b92159a
142dba7c328884
1515ec1e07271a
hexb01c94e4294

12102300222100 has 108 divisors (see below), whose sum is σ = 28869248589244. Its totient is φ = 4400415360000.

The previous prime is 12102300222083. The next prime is 12102300222101. The reversal of 12102300222100 is 122200320121.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1491163361424 + 10611136860676 = 1221132^2 + 3257474^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102300222101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 144444220 + ... + 144527980.

Almost surely, 212102300222100 is an apocalyptic number.

12102300222100 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 12102300222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14434624294622).

12102300222100 is an abundant number, since it is smaller than the sum of its proper divisors (16766948367144).

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

12102300222100 is a wasteful number, since it uses less digits than its factorization.

12102300222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95738 (or 95720 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12102300222100 its reverse (122200320121), we get a palindrome (12224500542221).

The spelling of 12102300222100 in words is "twelve trillion, one hundred two billion, three hundred million, two hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 220 242 275 484 550 605 1100 1210 2420 3025 6050 11941 12100 23882 47764 59705 83761 119410 131351 167522 238820 262702 298525 335044 418805 525404 597050 656755 837610 921371 1194100 1313510 1444861 1675220 1842742 2094025 2627020 2889722 3283775 3685484 4188050 4606855 5779444 6567550 7224305 8376100 9213710 10135081 13135100 14448610 18427420 20270162 23034275 28897220 36121525 40540324 46068550 50675405 72243050 92137100 101350810 144486100 202701620 253377025 506754050 1000190101 1013508100 2000380202 4000760404 5000950505 10001901010 11002091111 20003802020 22004182222 25004752525 44008364444 50009505050 55010455555 100019010100 110020911110 121023002221 220041822220 242046004442 275052277775 484092008884 550104555550 605115011105 1100209111100 1210230022210 2420460044420 3025575055525 6051150111050 12102300222100