Base | Representation |
---|---|
bin | 1011000000111101110011… |
… | …1101110111010010101001 |
3 | 1120212211011202011010021121 |
4 | 2300033130331313102221 |
5 | 3041412234310342301 |
6 | 41431452340535241 |
7 | 2360002215350602 |
oct | 260173475672251 |
9 | 46784152133247 |
10 | 12111220012201 |
11 | 394a380a5a162 |
12 | 143729b0b1521 |
13 | 69b110899aab |
14 | 2dc286c20da9 |
15 | 1600921a83a1 |
hex | b03dcf774a9 |
12111220012201 has 8 divisors (see below), whose sum is σ = 12125993800608. Its totient is φ = 12096450960000.
The previous prime is 12111220012187. The next prime is 12111220012219. The reversal of 12111220012201 is 10221002211121.
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 12111220012201 - 25 = 12111220012169 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12111220019201) 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, 3946926 + ... + 6308776.
It is an arithmetic number, because the mean of its divisors is an integer number (1515749225076).
Almost surely, 212111220012201 is an apocalyptic number.
It is an amenable number.
12111220012201 is a deficient number, since it is larger than the sum of its proper divisors (14773788407).
12111220012201 is an equidigital number, since it uses as much as digits as its factorization.
12111220012201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2368103.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 12111220012201 its reverse (10221002211121), we get a palindrome (22332222223322).
The spelling of 12111220012201 in words is "twelve trillion, one hundred eleven billion, two hundred twenty million, twelve thousand, two hundred one".
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