Base | Representation |
---|---|
bin | 10001011111100100000… |
… | …011111101111100110100 |
3 | 11020220212221212000201222 |
4 | 101133210003331330310 |
5 | 124143421230333022 |
6 | 2320125225005512 |
7 | 152564464301531 |
oct | 21374403757464 |
9 | 4226787760658 |
10 | 1202122121012 |
11 | 4238a966400a |
12 | 174b90323898 |
13 | 8948a14c507 |
14 | 4227c2d1d88 |
15 | 2140b172242 |
hex | 117e40fdf34 |
1202122121012 has 12 divisors (see below), whose sum is σ = 2155023802596. Its totient is φ = 586401034560.
The previous prime is 1202122120949. The next prime is 1202122121051. The reversal of 1202122121012 is 2101212212021.
It can be written as a sum of positive squares in 2 ways, for example, as 126412958116 + 1075709162896 = 355546^2 + 1037164^2 .
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 3665006303 + ... + 3665006630.
It is an arithmetic number, because the mean of its divisors is an integer number (179585316883).
Almost surely, 21202122121012 is an apocalyptic number.
It is an amenable number.
1202122121012 is a deficient number, since it is larger than the sum of its proper divisors (952901681584).
1202122121012 is a wasteful number, since it uses less digits than its factorization.
1202122121012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7330012978 (or 7330012976 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 1202122121012 its reverse (2101212212021), we get a palindrome (3303334333033).
The spelling of 1202122121012 in words is "one trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, twelve".
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