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120011012200 = 23521278235741
BaseRepresentation
bin110111111000100110…
…1101011100001101000
3102110202202220002101201
41233301031223201220
53431240304342300
6131044324253544
711445661525642
oct1576115534150
9373682802351
10120011012200
11469950a6812
121b3135412b4
13b417571871
145b469b1892
1531c5e2d66a
hex1bf136b868

120011012200 has 96 divisors (see below), whose sum is σ = 281613404160. Its totient is φ = 47560262400.

The previous prime is 120011012161. The next prime is 120011012201. The reversal of 120011012200 is 2210110021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (120011012201) 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, 20901330 + ... + 20907070.

It is an arithmetic number, because the mean of its divisors is an integer number (2933472960).

Almost surely, 2120011012200 is an apocalyptic number.

120011012200 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 120011012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140806702080).

120011012200 is an abundant number, since it is smaller than the sum of its proper divisors (161602391960).

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

120011012200 is a wasteful number, since it uses less digits than its factorization.

120011012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707 (or 6698 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120011012200 its reverse (2210110021), we get a palindrome (122221122221).

It can be divided in two parts, 12001 and 1012200, that added together give a palindrome (1024201).

The spelling of 120011012200 in words is "one hundred twenty billion, eleven million, twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 127 200 254 508 635 823 1016 1270 1646 2540 3175 3292 4115 5080 5741 6350 6584 8230 11482 12700 16460 20575 22964 25400 28705 32920 41150 45928 57410 82300 104521 114820 143525 164600 209042 229640 287050 418084 522605 574100 729107 836168 1045210 1148200 1458214 2090420 2613025 2916428 3645535 4180840 4724843 5226050 5832856 7291070 9449686 10452100 14582140 18227675 18899372 20904200 23624215 29164280 36455350 37798744 47248430 72910700 94496860 118121075 145821400 188993720 236242150 472484300 600055061 944968600 1200110122 2400220244 3000275305 4800440488 6000550610 12001101220 15001376525 24002202440 30002753050 60005506100 120011012200