Base | Representation |
---|---|
bin | 1011000000010100011101… |
… | …0110110000010010011001 |
3 | 1120211202112011120002200211 |
4 | 2300011013112300102121 |
5 | 3041222021211120441 |
6 | 41422415101331121 |
7 | 2356130153104630 |
oct | 260050726602231 |
9 | 46752464502624 |
10 | 12100120020121 |
11 | 39456a5335891 |
12 | 1435101866aa1 |
13 | 69a062032443 |
14 | 2db912962517 |
15 | 15eb42966a81 |
hex | b01475b0499 |
12100120020121 has 8 divisors (see below), whose sum is σ = 13886569301760. Its totient is φ = 10328135915328.
The previous prime is 12100120020077. The next prime is 12100120020143. The reversal of 12100120020121 is 12102002100121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12100120020121 - 217 = 12100119889049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12100120020151) 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, 3616292416 + ... + 3616295761.
It is an arithmetic number, because the mean of its divisors is an integer number (1735821162720).
Almost surely, 212100120020121 is an apocalyptic number.
It is an amenable number.
12100120020121 is a deficient number, since it is larger than the sum of its proper divisors (1786449281639).
12100120020121 is an equidigital number, since it uses as much as digits as its factorization.
12100120020121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7232588423.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 12100120020121 its reverse (12102002100121), we get a palindrome (24202122120242).
The spelling of 12100120020121 in words is "twelve trillion, one hundred billion, one hundred twenty million, twenty thousand, one hundred twenty-one".
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