Base | Representation |
---|---|
bin | 10001011101110010101… |
… | …111110011100100100011 |
3 | 11020201222110120120222211 |
4 | 101131302233303210203 |
5 | 124131023034311321 |
6 | 2315212433342551 |
7 | 152466411154456 |
oct | 21356257634443 |
9 | 4221873516884 |
10 | 1200221010211 |
11 | 42301351a363 |
12 | 17473b707a57 |
13 | 8924631a192 |
14 | 4213ba1949d |
15 | 213492e50e1 |
hex | 11772bf3923 |
1200221010211 has 6 divisors (see below), whose sum is σ = 1240186747236. Its totient is φ = 1161504202500.
The previous prime is 1200221010199. The next prime is 1200221010221. The reversal of 1200221010211 is 1120101220021.
It is a de Polignac number, because none of the positive numbers 2k-1200221010211 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1200221010191 and 1200221010200.
It is not an unprimeable number, because it can be changed into a prime (1200221010221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624463665 + ... + 624465586.
It is an arithmetic number, because the mean of its divisors is an integer number (206697791206).
Almost surely, 21200221010211 is an apocalyptic number.
1200221010211 is a deficient number, since it is larger than the sum of its proper divisors (39965737025).
1200221010211 is an equidigital number, since it uses as much as digits as its factorization.
1200221010211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1248929313 (or 1248929282 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1200221010211 its reverse (1120101220021), we get a palindrome (2320322230232).
The spelling of 1200221010211 in words is "one trillion, two hundred billion, two hundred twenty-one million, ten thousand, two hundred eleven".
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