Base | Representation |
---|---|
bin | 111000110100001100… |
… | …0000001011010110101 |
3 | 102122221002201221222112 |
4 | 1301220120001122311 |
5 | 3444334103241041 |
6 | 132014542140405 |
7 | 11546345455565 |
oct | 1615030013265 |
9 | 378832657875 |
10 | 122010212021 |
11 | 47820647175 |
12 | 1b790b81705 |
13 | b6757c8939 |
14 | 5c962dcda5 |
15 | 32916d3deb |
hex | 1c686016b5 |
122010212021 has 16 divisors (see below), whose sum is σ = 131492533248. Its totient is φ = 112880064000.
The previous prime is 122010212017. The next prime is 122010212041. The reversal of 122010212021 is 120212010221.
It is a cyclic number.
It is not a de Polignac number, because 122010212021 - 22 = 122010212017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122010211987 and 122010212005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122010212011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1310405 + ... + 1400421.
It is an arithmetic number, because the mean of its divisors is an integer number (8218283328).
Almost surely, 2122010212021 is an apocalyptic number.
It is an amenable number.
122010212021 is a deficient number, since it is larger than the sum of its proper divisors (9482321227).
122010212021 is a wasteful number, since it uses less digits than its factorization.
122010212021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91972.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 122010212021 its reverse (120212010221), we get a palindrome (242222222242).
The spelling of 122010212021 in words is "one hundred twenty-two billion, ten million, two hundred twelve thousand, twenty-one".
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