Base | Representation |
---|---|
bin | 1010111011101010110001… |
… | …1110010001101011100101 |
3 | 1120120010021020201210010221 |
4 | 2232322230132101223211 |
5 | 3033414343300041401 |
6 | 41322001553444341 |
7 | 2350301030101024 |
oct | 256725436215345 |
9 | 46503236653127 |
10 | 12020212112101 |
11 | 391481a409886 |
12 | 14217208706b1 |
13 | 69266900282b |
14 | 2d7ad211a8bb |
15 | 15ca175d97a1 |
hex | aeeac791ae5 |
12020212112101 has 4 divisors (see below), whose sum is σ = 12136913200672. Its totient is φ = 11903511023532.
The previous prime is 12020212112059. The next prime is 12020212112143. The reversal of 12020212112101 is 10121121202021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (12020212112059) and next prime (12020212112143).
It is a cyclic number.
It is not a de Polignac number, because 12020212112101 - 237 = 11882773158629 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12020212112171) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58350544131 + ... + 58350544336.
It is an arithmetic number, because the mean of its divisors is an integer number (3034228300168).
Almost surely, 212020212112101 is an apocalyptic number.
It is an amenable number.
12020212112101 is a deficient number, since it is larger than the sum of its proper divisors (116701088571).
12020212112101 is a wasteful number, since it uses less digits than its factorization.
12020212112101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116701088570.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 12020212112101 its reverse (10121121202021), we get a palindrome (22141333314122).
The spelling of 12020212112101 in words is "twelve trillion, twenty billion, two hundred twelve million, one hundred twelve thousand, one hundred one".
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