Base | Representation |
---|---|
bin | 10110100010101011… |
… | …11101111000000001 |
3 | 1011020102021222000112 |
4 | 23101111331320001 |
5 | 144241121144301 |
6 | 5320514401105 |
7 | 605621263226 |
oct | 132125757001 |
9 | 34212258015 |
10 | 12102131201 |
11 | 5150379326 |
12 | 2418b90195 |
13 | 11ab3733a4 |
14 | 82b40594d |
15 | 4ac6e69bb |
hex | 2d157de01 |
12102131201 has 8 divisors (see below), whose sum is σ = 12533978880. Its totient is φ = 11671252432.
The previous prime is 12102131179. The next prime is 12102131213. The reversal of 12102131201 is 10213120121.
12102131201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12102131201 - 210 = 12102130177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12102131221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216755 + ... + 266808.
It is an arithmetic number, because the mean of its divisors is an integer number (1566747360).
Almost surely, 212102131201 is an apocalyptic number.
It is an amenable number.
12102131201 is a deficient number, since it is larger than the sum of its proper divisors (431847679).
12102131201 is an equidigital number, since it uses as much as digits as its factorization.
12102131201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 484455.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 12102131201 its reverse (10213120121), we get a palindrome (22315251322).
The spelling of 12102131201 in words is "twelve billion, one hundred two million, one hundred thirty-one thousand, two hundred one".
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