Base | Representation |
---|---|
bin | 10110010110100010… |
… | …01011010000100000 |
3 | 1010222022111221011022 |
4 | 23023101023100200 |
5 | 144034023241000 |
6 | 5302434105012 |
7 | 603243055550 |
oct | 131321132040 |
9 | 33868457138 |
10 | 12000212000 |
11 | 50a8896987 |
12 | 23aaa1b168 |
13 | 119320a17a |
14 | 81ba75160 |
15 | 4a37b3585 |
hex | 2cb44b420 |
12000212000 has 96 divisors (see below), whose sum is σ = 33696673920. Its totient is φ = 4114348800.
The previous prime is 12000211999. The next prime is 12000212017. The reversal of 12000212000 is 21200021.
It is a Harshad number since it is a multiple of its sum of digits (8).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186290 + ... + 242289.
It is an arithmetic number, because the mean of its divisors is an integer number (351007020).
Almost surely, 212000212000 is an apocalyptic number.
12000212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12000212000 is an abundant number, since it is smaller than the sum of its proper divisors (21696461920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12000212000 is an equidigital number, since it uses as much as digits as its factorization.
12000212000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428611 (or 428593 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
Adding to 12000212000 its reverse (21200021), we get a palindrome (12021412021).
It can be divided in two parts, 1200021 and 2000, that added together give a palindrome (1202021).
The spelling of 12000212000 in words is "twelve billion, two hundred twelve thousand".
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