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12122101200012 = 2236116560247541
BaseRepresentation
bin1011000001100110010110…
…0010010011010010001100
31120220212021002000201211120
42300121211202103102030
53042102030401400022
641440452202320540
72360535653050326
oct260314542232214
946825232021746
1012122101200012
113953a55117661
1214394171b9150
1369c155cc506b
142dc9da004616
151604cc5c8d5c
hexb066589348c

12122101200012 has 24 divisors (see below), whose sum is σ = 28748589732912. Its totient is φ = 3974459409600.

The previous prime is 12122101199959. The next prime is 12122101200037. The reversal of 12122101200012 is 21000210122121.

It is a junction number, because it is equal to n+sod(n) for n = 12122101199964 and 12122101200000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8280123039 + ... + 8280124502.

It is an arithmetic number, because the mean of its divisors is an integer number (1197857905538).

Almost surely, 212122101200012 is an apocalyptic number.

12122101200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122101200012 is an abundant number, since it is smaller than the sum of its proper divisors (16626488532900).

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

12122101200012 is a wasteful number, since it uses less digits than its factorization.

12122101200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16560247609 (or 16560247607 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12122101200012 its reverse (21000210122121), we get a palindrome (33122311322133).

The spelling of 12122101200012 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, two hundred thousand, twelve".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 16560247541 33120495082 49680742623 66240990164 99361485246 198722970492 1010175100001 2020350200002 3030525300003 4040700400004 6061050600006 12122101200012