Base | Representation |
---|---|
bin | 11011100000110010001110… |
… | …101001111001101111101100 |
3 | 120212102111200211010210020020 |
4 | 123200302032221321233230 |
5 | 111324431413233341022 |
6 | 1105202421403322140 |
7 | 34325656024050054 |
oct | 3340621651715754 |
9 | 525374624123206 |
10 | 121000212012012 |
11 | 356109a1236943 |
12 | 116a279a220350 |
13 | 526936a5c70b8 |
14 | 21c4627704564 |
15 | dec75e7ea35c |
hex | 6e0c8ea79bec |
121000212012012 has 96 divisors (see below), whose sum is σ = 291636984038400. Its totient is φ = 39022250202432.
The previous prime is 121000212012007. The next prime is 121000212012041. The reversal of 121000212012012 is 210210212000121.
It is a junction number, because it is equal to n+sod(n) for n = 121000212011982 and 121000212012000.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444817539 + ... + 445089477.
It is an arithmetic number, because the mean of its divisors is an integer number (3037885250400).
Almost surely, 2121000212012012 is an apocalyptic number.
121000212012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121000212012012 is an abundant number, since it is smaller than the sum of its proper divisors (170636772026388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121000212012012 is a wasteful number, since it uses less digits than its factorization.
121000212012012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280155 (or 280153 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 121000212012012 its reverse (210210212000121), we get a palindrome (331210424012133).
The spelling of 121000212012012 in words is "one hundred twenty-one trillion, two hundred twelve million, twelve thousand, twelve".
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