Base | Representation |
---|---|
bin | 11011100011101100010011… |
… | …100010110010011000101000 |
3 | 120220010121102002022211002010 |
4 | 123203230103202302120220 |
5 | 111341220110030342300 |
6 | 1105434303240035520 |
7 | 34346261143040250 |
oct | 3343542342623050 |
9 | 526117362284063 |
10 | 121200010012200 |
11 | 356886a9a79649 |
12 | 1171545a162ba0 |
13 | 528215bb0b952 |
14 | 21d017ca42960 |
15 | e02a5516ca50 |
hex | 6e3b138b2628 |
121200010012200 has 192 divisors, whose sum is σ = 429422235217920. Its totient is φ = 27701058528000.
The previous prime is 121200010012177. The next prime is 121200010012217. The reversal of 121200010012200 is 2210010002121.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64215985 + ... + 66076415.
It is an arithmetic number, because the mean of its divisors is an integer number (2236574141760).
Almost surely, 2121200010012200 is an apocalyptic number.
121200010012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121200010012200 is an abundant number, since it is smaller than the sum of its proper divisors (308222225205720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121200010012200 is a wasteful number, since it uses less digits than its factorization.
121200010012200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1875968 (or 1875959 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 121200010012200 its reverse (2210010002121), we get a palindrome (123410020014321).
The spelling of 121200010012200 in words is "one hundred twenty-one trillion, two hundred billion, ten million, twelve thousand, two hundred".
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