Base | Representation |
---|---|
bin | 111000110011111000… |
… | …1011111101001011101 |
3 | 102122220101201211122212 |
4 | 1301213301133221131 |
5 | 3444324012042341 |
6 | 132013541450205 |
7 | 11546163562241 |
oct | 1614761375135 |
9 | 378811654585 |
10 | 122000112221 |
11 | 47815979029 |
12 | 1b789710965 |
13 | b6736a0820 |
14 | 5c94c30421 |
15 | 329088b5eb |
hex | 1c67c5fa5d |
122000112221 has 16 divisors (see below), whose sum is σ = 135640124928. Its totient is φ = 108968932800.
The previous prime is 122000112193. The next prime is 122000112229. The reversal of 122000112221 is 122211000221.
It is not a de Polignac number, because 122000112221 - 214 = 122000095837 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122000112196 and 122000112205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122000112229) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 4472195 + ... + 4499391.
It is an arithmetic number, because the mean of its divisors is an integer number (8477507808).
Almost surely, 2122000112221 is an apocalyptic number.
It is an amenable number.
122000112221 is a deficient number, since it is larger than the sum of its proper divisors (13640012707).
122000112221 is a wasteful number, since it uses less digits than its factorization.
122000112221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38372.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 122000112221 its reverse (122211000221), we get a palindrome (244211112442).
The spelling of 122000112221 in words is "one hundred twenty-two billion, one hundred twelve thousand, two hundred twenty-one".
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