| Base | Representation |
|---|---|
| bin | 1011000010000100001110… |
| … | …1100001011110010110100 |
| 3 | 1120221121222011000122020200 |
| 4 | 2300201003230023302310 |
| 5 | 3042214443031100040 |
| 6 | 41444300212000500 |
| 7 | 2361241522554105 |
| oct | 260410354136264 |
| 9 | 46847864018220 |
| 10 | 12130123300020 |
| 11 | 39573a140a080 |
| 12 | 143aa95900130 |
| 13 | 69cb33ca53bb |
| 14 | 2dd15b5c23ac |
| 15 | 1607eb9dc630 |
| hex | b0843b0bcb4 |
12130123300020 has 288 divisors, whose sum is σ = 40291057183104. Its totient is φ = 2929557196800.
The previous prime is 12130123299949. The next prime is 12130123300051. The reversal of 12130123300020 is 2000332103121.
12130123300020 is a `hidden beast` number, since 1 + 21 + 301 + 23 + 300 + 0 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 12130123299966 and 12130123300002.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1334295675 + ... + 1334304765.
It is an arithmetic number, because the mean of its divisors is an integer number (139899504108).
Almost surely, 212130123300020 is an apocalyptic number.
12130123300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12130123300020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20145528591552).
12130123300020 is an abundant number, since it is smaller than the sum of its proper divisors (28160933883084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12130123300020 is a wasteful number, since it uses less digits than its factorization.
12130123300020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11583 (or 11578 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 12130123300020 its reverse (2000332103121), we get a palindrome (14130455403141).
The spelling of 12130123300020 in words is "twelve trillion, one hundred thirty billion, one hundred twenty-three million, three hundred thousand, twenty".
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