Base | Representation |
---|---|
bin | 1010111011001100101010… |
… | …1111100010101101111100 |
3 | 1120112100101222211222100121 |
4 | 2232303022233202231330 |
5 | 3033301320241121340 |
6 | 41314144002304324 |
7 | 2346563531332651 |
oct | 256631257425574 |
9 | 46470358758317 |
10 | 12012130020220 |
11 | 3911352271600 |
12 | 14200460580a4 |
13 | 69197b779145 |
14 | 2d75669a3c28 |
15 | 15c6e2cc594a |
hex | aeccabe2b7c |
12012130020220 has 36 divisors (see below), whose sum is σ = 27727172853912. Its totient is φ = 4368047279200.
The previous prime is 12012130020199. The next prime is 12012130020227. The reversal of 12012130020220 is 2202003121021.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 12012130020194 and 12012130020203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12012130020227) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2481842626 + ... + 2481847465.
It is an arithmetic number, because the mean of its divisors is an integer number (770199245942).
Almost surely, 212012130020220 is an apocalyptic number.
12012130020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12012130020220 is an abundant number, since it is smaller than the sum of its proper divisors (15715042833692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12012130020220 is a wasteful number, since it uses less digits than its factorization.
12012130020220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4963690122 (or 4963690109 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 12012130020220 its reverse (2202003121021), we get a palindrome (14214133141241).
The spelling of 12012130020220 in words is "twelve trillion, twelve billion, one hundred thirty million, twenty thousand, two hundred twenty".
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