Base | Representation |
---|---|
bin | 10001011101110010001… |
… | …110010001100100110011 |
3 | 11020201221212001000101021 |
4 | 101131302032101210303 |
5 | 124131013312021321 |
6 | 2315211521120311 |
7 | 152466243354604 |
oct | 21356216214463 |
9 | 4221855030337 |
10 | 1200212220211 |
11 | 4230095662a4 |
12 | 174738789097 |
13 | 892445602b4 |
14 | 4213a7abdab |
15 | 2134865a941 |
hex | 11772391933 |
1200212220211 has 8 divisors (see below), whose sum is σ = 1209873434400. Its totient is φ = 1190576532288.
The previous prime is 1200212220133. The next prime is 1200212220239. The reversal of 1200212220211 is 1120222120021.
It is a happy number.
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 1200212220211 - 225 = 1200178665779 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1200212220271) 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, 6287146 + ... + 6475231.
It is an arithmetic number, because the mean of its divisors is an integer number (151234179300).
Almost surely, 21200212220211 is an apocalyptic number.
1200212220211 is a deficient number, since it is larger than the sum of its proper divisors (9661214189).
1200212220211 is a wasteful number, since it uses less digits than its factorization.
1200212220211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12763133.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1200212220211 its reverse (1120222120021), we get a palindrome (2320434340232).
The spelling of 1200212220211 in words is "one trillion, two hundred billion, two hundred twelve million, two hundred twenty thousand, two hundred eleven".
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