Base | Representation |
---|---|
bin | 10001110010000101100… |
… | …110010101010000000111 |
3 | 11022211020010102012010001 |
4 | 101302011212111100013 |
5 | 130010140101132221 |
6 | 2333215024542131 |
7 | 154200412503040 |
oct | 21620546252007 |
9 | 4284203365101 |
10 | 1222012130311 |
11 | 431285a98425 |
12 | 178a01481947 |
13 | 8b309ac609b |
14 | 43207b458c7 |
15 | 21bc2413391 |
hex | 11c85995407 |
1222012130311 has 16 divisors (see below), whose sum is σ = 1398049196544. Its totient is φ = 1046341449504.
The previous prime is 1222012130299. The next prime is 1222012130359. The reversal of 1222012130311 is 1130312102221.
It is a cyclic number.
It is not a de Polignac number, because 1222012130311 - 215 = 1222012097543 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222012130411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44049601 + ... + 44077333.
It is an arithmetic number, because the mean of its divisors is an integer number (87378074784).
Almost surely, 21222012130311 is an apocalyptic number.
1222012130311 is a deficient number, since it is larger than the sum of its proper divisors (176037066233).
1222012130311 is a wasteful number, since it uses less digits than its factorization.
1222012130311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34110.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 1222012130311 its reverse (1130312102221), we get a palindrome (2352324232532).
The spelling of 1222012130311 in words is "one trillion, two hundred twenty-two billion, twelve million, one hundred thirty thousand, three hundred eleven".
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