Base | Representation |
---|---|
bin | 101110010001… |
… | …111010101011 |
3 | 211211100222202 |
4 | 232101322223 |
5 | 11101211021 |
6 | 1112010415 |
7 | 205056203 |
oct | 56217253 |
9 | 24740882 |
10 | 12132011 |
11 | 6936a61 |
12 | 4090a0b |
13 | 268a108 |
14 | 187b403 |
15 | 10e9a0b |
hex | b91eab |
12132011 has 2 divisors, whose sum is σ = 12132012. Its totient is φ = 12132010.
The previous prime is 12131963. The next prime is 12132047. The reversal of 12132011 is 11023121.
It is a strong prime.
It is an emirp because it is prime and its reverse (11023121) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12132011 - 218 = 11869867 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 12131983 and 12132001.
It is not a weakly prime, because it can be changed into another prime (12132091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066005 + 6066006.
It is an arithmetic number, because the mean of its divisors is an integer number (6066006).
Almost surely, 212132011 is an apocalyptic number.
12132011 is a deficient number, since it is larger than the sum of its proper divisors (1).
12132011 is an equidigital number, since it uses as much as digits as its factorization.
12132011 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 12132011 is about 3483.1036447398. The cubic root of 12132011 is about 229.7793157321.
Adding to 12132011 its reverse (11023121), we get a palindrome (23155132).
The spelling of 12132011 in words is "twelve million, one hundred thirty-two thousand, eleven".
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