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12012101200100 = 2252432793511907
BaseRepresentation
bin1010111011001100100100…
…0001100110100011100100
31120112100022222121202120202
42232303021001212203210
53033301240401400400
641314141052450032
72346563031350201
oct256631101464344
946470288552522
1012012101200100
113911337a77621
121420038479918
136919757c8211
142d7562c20ca8
1515c6e04d14d5
hexaecc90668e4

12012101200100 has 36 divisors (see below), whose sum is σ = 26672451697584. Its totient is φ = 4693100002080.

The previous prime is 12012101200093. The next prime is 12012101200111. The reversal of 12012101200100 is 100210121021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1396751654 + ... + 1396760253.

It is an arithmetic number, because the mean of its divisors is an integer number (740901436044).

Almost surely, 212012101200100 is an apocalyptic number.

12012101200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012101200100 is an abundant number, since it is smaller than the sum of its proper divisors (14660350497484).

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

12012101200100 is a wasteful number, since it uses less digits than its factorization.

12012101200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793511964 (or 2793511957 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12012101200100 its reverse (100210121021), we get a palindrome (12112311321121).

The spelling of 12012101200100 in words is "twelve trillion, twelve billion, one hundred one million, two hundred thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 172 215 430 860 1075 2150 4300 2793511907 5587023814 11174047628 13967559535 27935119070 55870238140 69837797675 120121012001 139675595350 240242024002 279351190700 480484048004 600605060005 1201210120010 2402420240020 3003025300025 6006050600050 12012101200100