Base | Representation |
---|---|
bin | 10110100100110101… |
… | …00001010100111001 |
3 | 1011021200002222121010 |
4 | 23102122201110321 |
5 | 144310221232301 |
6 | 5322355504133 |
7 | 606230111634 |
oct | 132232412471 |
9 | 34250088533 |
10 | 12120102201 |
11 | 515a533199 |
12 | 2422bb8049 |
13 | 11b1cc610c |
14 | 82d962c1b |
15 | 4ae0965d6 |
hex | 2d26a1539 |
12120102201 has 8 divisors (see below), whose sum is σ = 16243868320. Its totient is φ = 8038202112.
The previous prime is 12120102167. The next prime is 12120102217. The reversal of 12120102201 is 10220102121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12120102201 - 210 = 12120101177 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12120102251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10465831 + ... + 10466988.
It is an arithmetic number, because the mean of its divisors is an integer number (2030483540).
Almost surely, 212120102201 is an apocalyptic number.
It is an amenable number.
12120102201 is a deficient number, since it is larger than the sum of its proper divisors (4123766119).
12120102201 is a wasteful number, since it uses less digits than its factorization.
12120102201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20933015.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 12120102201 its reverse (10220102121), we get a palindrome (22340204322).
The spelling of 12120102201 in words is "twelve billion, one hundred twenty million, one hundred two thousand, two hundred one".
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