Base | Representation |
---|---|
bin | 10110010110100010… |
… | …01010110001011100 |
3 | 1010222022111211102200 |
4 | 23023101022301130 |
5 | 144034023210022 |
6 | 5302434051500 |
7 | 603243050010 |
oct | 131321126134 |
9 | 33868454380 |
10 | 12000210012 |
11 | 50a889543a |
12 | 23aaa19b90 |
13 | 11932092ab |
14 | 81ba74540 |
15 | 4a37b2bac |
hex | 2cb44ac5c |
12000210012 has 36 divisors (see below), whose sum is σ = 34667274096. Its totient is φ = 3428631360.
The previous prime is 12000209989. The next prime is 12000210031. The reversal of 12000210012 is 21001200021.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 12000209976 and 12000210003.
It is a congruent number.
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, 23809689 + ... + 23810192.
It is an arithmetic number, because the mean of its divisors is an integer number (962979836).
Almost surely, 212000210012 is an apocalyptic number.
12000210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12000210012 is an abundant number, since it is smaller than the sum of its proper divisors (22667064084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12000210012 is a wasteful number, since it uses less digits than its factorization.
12000210012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47619898 (or 47619893 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 12000210012 its reverse (21001200021), we get a palindrome (33001410033).
Subtracting 12000210012 from its reverse (21001200021), we obtain a palindrome (9000990009).
The spelling of 12000210012 in words is "twelve billion, two hundred ten thousand, twelve".
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