Base | Representation |
---|---|
bin | 10001011110101101000… |
… | …111001100100000110100 |
3 | 11020211111201010121120220 |
4 | 101132231013030200310 |
5 | 124140024224021322 |
6 | 2315453533254340 |
7 | 152532601256226 |
oct | 21365507144064 |
9 | 4224451117526 |
10 | 1201200220212 |
11 | 423476233323 |
12 | 1749736343b0 |
13 | 89371158495 |
14 | 421d1ab4416 |
15 | 213a526b55c |
hex | 117ad1cc834 |
1201200220212 has 24 divisors (see below), whose sum is σ = 2802821767200. Its totient is φ = 400397037216.
The previous prime is 1201200220193. The next prime is 1201200220273. The reversal of 1201200220212 is 2120220021021.
It is a junction number, because it is equal to n+sod(n) for n = 1201200220191 and 1201200220200.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1744339 + ... + 2333477.
It is an arithmetic number, because the mean of its divisors is an integer number (116784240300).
Almost surely, 21201200220212 is an apocalyptic number.
1201200220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1201200220212 is an abundant number, since it is smaller than the sum of its proper divisors (1601621546988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201200220212 is a wasteful number, since it uses less digits than its factorization.
1201200220212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 759055 (or 759053 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 1201200220212 its reverse (2120220021021), we get a palindrome (3321420241233).
The spelling of 1201200220212 in words is "one trillion, two hundred one billion, two hundred million, two hundred twenty thousand, two hundred twelve".
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