Base | Representation |
---|---|
bin | 10001101000110111111… |
… | …111001110110010110110 |
3 | 11021212200201210222120212 |
4 | 101220313333032302312 |
5 | 124324410221200042 |
6 | 2324501300225422 |
7 | 153400315565426 |
oct | 21506777166266 |
9 | 4255621728525 |
10 | 1212120100022 |
11 | 42806a218687 |
12 | 176b0069b272 |
13 | 8a3c15acb20 |
14 | 4294a08a486 |
15 | 217e3c81482 |
hex | 11a37fcecb6 |
1212120100022 has 128 divisors (see below), whose sum is σ = 2165757834240. Its totient is φ = 503420037120.
The previous prime is 1212120100019. The next prime is 1212120100043. The reversal of 1212120100022 is 2200010212121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1414375418 + ... + 1414376274.
It is an arithmetic number, because the mean of its divisors is an integer number (16919983080).
Almost surely, 21212120100022 is an apocalyptic number.
1212120100022 is a deficient number, since it is larger than the sum of its proper divisors (953637734218).
1212120100022 is a wasteful number, since it uses less digits than its factorization.
1212120100022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1638.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1212120100022 its reverse (2200010212121), we get a palindrome (3412130312143).
The spelling of 1212120100022 in words is "one trillion, two hundred twelve billion, one hundred twenty million, one hundred thousand, twenty-two".
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