Base | Representation |
---|---|
bin | 1010111010100000010011… |
… | …0110111000100000001101 |
3 | 1120111012122222021102011211 |
4 | 2232220010312320200031 |
5 | 3033102422322333401 |
6 | 41304454112014421 |
7 | 2345662433012002 |
oct | 256500466704015 |
9 | 46435588242154 |
10 | 12000220121101 |
11 | 39072a0460073 |
12 | 1419881531411 |
13 | 6908011a0464 |
14 | 2d6b56d1b8a9 |
15 | 15c247401951 |
hex | aea04db880d |
12000220121101 has 4 divisors (see below), whose sum is σ = 12116727112672. Its totient is φ = 11883713129532.
The previous prime is 12000220121093. The next prime is 12000220121161. The reversal of 12000220121101 is 10112102200021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12000220121101 - 23 = 12000220121093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12000220121161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58253495631 + ... + 58253495836.
It is an arithmetic number, because the mean of its divisors is an integer number (3029181778168).
Almost surely, 212000220121101 is an apocalyptic number.
It is an amenable number.
12000220121101 is a deficient number, since it is larger than the sum of its proper divisors (116506991571).
12000220121101 is a wasteful number, since it uses less digits than its factorization.
12000220121101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116506991570.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 12000220121101 its reverse (10112102200021), we get a palindrome (22112322321122).
The spelling of 12000220121101 in words is "twelve trillion, two hundred twenty million, one hundred twenty-one thousand, one hundred one".
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