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112001201221220 = 22552114837247927
BaseRepresentation
bin11001011101110101001111…
…110100000010111001100100
3112200120012200021200222210222
4121131311033310002321210
5104140011430003034340
61034112350323103512
732406551114320403
oct3135651764027144
9480505607628728
10112001201221220
1132761496251293
121068a6bb811b98
134a6588b666acc
141d92c5c15b63a
15ce361cdbc8b5
hex65dd4fd02e64

112001201221220 has 48 divisors (see below), whose sum is σ = 235812903032448. Its totient is φ = 44684333541120.

The previous prime is 112001201221139. The next prime is 112001201221237. The reversal of 112001201221220 is 22122102100211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11828897 + ... + 19076823.

It is an arithmetic number, because the mean of its divisors is an integer number (4912768813176).

Almost surely, 2112001201221220 is an apocalyptic number.

112001201221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112001201221220 is an abundant number, since it is smaller than the sum of its proper divisors (123811701811228).

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

112001201221220 is a wasteful number, since it uses less digits than its factorization.

112001201221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249940 (or 7249938 counting only the distinct ones).

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

Adding to 112001201221220 its reverse (22122102100211), we get a palindrome (134123303321431).

The spelling of 112001201221220 in words is "one hundred twelve trillion, one billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 521 1042 1483 2084 2605 2966 5210 5932 7415 10420 14830 29660 772643 1545286 3090572 3863215 7247927 7726430 14495854 15452860 28991708 36239635 72479270 144958540 3776169967 7552339934 10748675741 15104679868 18880849835 21497351482 37761699670 42994702964 53743378705 75523399340 107486757410 214973514820 5600060061061 11200120122122 22400240244244 28000300305305 56000600610610 112001201221220