Base | Representation |
---|---|
bin | 1011000110001101000011… |
… | …1010000110010111101100 |
3 | 1121012102110102222101012122 |
4 | 2301203100322012113230 |
5 | 3044401040233341022 |
6 | 41541054233452112 |
7 | 2366336256624152 |
oct | 261432072062754 |
9 | 47172412871178 |
10 | 12201212012012 |
11 | 3984561106621 |
12 | 1450815271038 |
13 | 6a6752b4a81a |
14 | 302782a393d2 |
15 | 1625ac9a4742 |
hex | b18d0e865ec |
12201212012012 has 24 divisors (see below), whose sum is σ = 21428227267776. Its totient is φ = 6078862687248.
The previous prime is 12201212011993. The next prime is 12201212012021. The reversal of 12201212012012 is 21021021210221.
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, 41378243 + ... + 41672069.
It is an arithmetic number, because the mean of its divisors is an integer number (892842802824).
Almost surely, 212201212012012 is an apocalyptic number.
It is an amenable number.
12201212012012 is a deficient number, since it is larger than the sum of its proper divisors (9227015255764).
12201212012012 is a wasteful number, since it uses less digits than its factorization.
12201212012012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 330797 (or 330795 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 12201212012012 its reverse (21021021210221), we get a palindrome (33222233222233).
The spelling of 12201212012012 in words is "twelve trillion, two hundred one billion, two hundred twelve million, twelve thousand, twelve".
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