Base | Representation |
---|---|
bin | 101101110100… |
… | …001000011100 |
3 | 211121011122021 |
4 | 231310020130 |
5 | 11033310022 |
6 | 1105225524 |
7 | 204040420 |
oct | 55641034 |
9 | 24534567 |
10 | 12010012 |
11 | 6863333 |
12 | 40322a4 |
13 | 2646721 |
14 | 1848b80 |
15 | 10c37c7 |
hex | b7421c |
12010012 has 24 divisors (see below), whose sum is σ = 24476256. Its totient is φ = 5049408.
The previous prime is 12009997. The next prime is 12010013. The reversal of 12010012 is 21001021.
It is a Harshad number since it is a multiple of its sum of digits (7).
It is a junction number, because it is equal to n+sod(n) for n = 12009977 and 12010004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12010013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2563 + ... + 5530.
It is an arithmetic number, because the mean of its divisors is an integer number (1019844).
Almost surely, 212010012 is an apocalyptic number.
It is an amenable number.
12010012 is an abundant number, since it is smaller than the sum of its proper divisors (12466244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12010012 is a wasteful number, since it uses less digits than its factorization.
12010012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8157 (or 8155 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 7.
The square root of 12010012 is about 3465.5464215618. The cubic root of 12010012 is about 229.0065023611.
Adding to 12010012 its reverse (21001021), we get a palindrome (33011033).
The spelling of 12010012 in words is "twelve million, ten thousand, twelve".
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