Base | Representation |
---|---|
bin | 11011101111010110100101… |
… | …111100110000110010110101 |
3 | 120222222012202110122122202102 |
4 | 123233112211330300302311 |
5 | 111442332211013241041 |
6 | 1111250345400551445 |
7 | 34461206460253331 |
oct | 3357264574606265 |
9 | 528865673578672 |
10 | 122001330212021 |
11 | 35967523377a77 |
12 | 11824812782585 |
13 | 530c8a3446640 |
14 | 221ac784667c1 |
15 | e188042e009b |
hex | 6ef5a5f30cb5 |
122001330212021 has 16 divisors (see below), whose sum is σ = 131567630871936. Its totient is φ = 112460975453376.
The previous prime is 122001330211883. The next prime is 122001330212089. The reversal of 122001330212021 is 120212033100221.
It is a cyclic number.
It is not a de Polignac number, because 122001330212021 - 238 = 121726452305077 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122001330211984 and 122001330212002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122001330212521) 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, 969255536 + ... + 969381398.
It is an arithmetic number, because the mean of its divisors is an integer number (8222976929496).
Almost surely, 2122001330212021 is an apocalyptic number.
It is an amenable number.
122001330212021 is a deficient number, since it is larger than the sum of its proper divisors (9566300659915).
122001330212021 is a wasteful number, since it uses less digits than its factorization.
122001330212021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228332.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 122001330212021 its reverse (120212033100221), we get a palindrome (242213363312242).
The spelling of 122001330212021 in words is "one hundred twenty-two trillion, one billion, three hundred thirty million, two hundred twelve thousand, twenty-one".
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