Base | Representation |
---|---|
bin | 101101111001… |
… | …010011100001 |
3 | 211122020201001 |
4 | 231321103201 |
5 | 11034444301 |
6 | 1105512001 |
7 | 204156250 |
oct | 55712341 |
9 | 24566631 |
10 | 12031201 |
11 | 6878246 |
12 | 4042601 |
13 | 2653270 |
14 | 1852797 |
15 | 10c9c01 |
hex | b794e1 |
12031201 has 32 divisors (see below), whose sum is σ = 15805440. Its totient is φ = 8902656.
The previous prime is 12031169. The next prime is 12031211. The reversal of 12031201 is 10213021.
12031201 is nontrivially palindromic in base 15.
12031201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12031201 - 25 = 12031169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12031211) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 123985 + ... + 124081.
It is an arithmetic number, because the mean of its divisors is an integer number (493920).
Almost surely, 212031201 is an apocalyptic number.
It is an amenable number.
12031201 is a deficient number, since it is larger than the sum of its proper divisors (3774239).
12031201 is a wasteful number, since it uses less digits than its factorization.
12031201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 12031201 is about 3468.6021680210. The cubic root of 12031201 is about 229.1411002810.
Adding to 12031201 its reverse (10213021), we get a palindrome (22244222).
The spelling of 12031201 in words is "twelve million, thirty-one thousand, two hundred one".
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