Base | Representation |
---|---|
bin | 1011000111010111100001… |
… | …0110000010011010111000 |
3 | 1121021100001111210011222112 |
4 | 2301311320112002122320 |
5 | 3100213004424000440 |
6 | 41554201531111452 |
7 | 2400644516335340 |
oct | 261657026023270 |
9 | 47240044704875 |
10 | 12221201000120 |
11 | 3991a893a4202 |
12 | 14546735a2588 |
13 | 6a85ba16b138 |
14 | 30371b695d20 |
15 | 162d7c797965 |
hex | b1d785826b8 |
12221201000120 has 64 divisors (see below), whose sum is σ = 31704051222720. Its totient is φ = 4153045284864.
The previous prime is 12221201000117. The next prime is 12221201000209. The reversal of 12221201000120 is 2100010212221.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 12221201000095 and 12221201000104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193097327 + ... + 193160606.
It is an arithmetic number, because the mean of its divisors is an integer number (495375800355).
Almost surely, 212221201000120 is an apocalyptic number.
12221201000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12221201000120 is an abundant number, since it is smaller than the sum of its proper divisors (19482850222600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12221201000120 is a wasteful number, since it uses less digits than its factorization.
12221201000120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 386258064 (or 386258060 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 12221201000120 its reverse (2100010212221), we get a palindrome (14321211212341).
The spelling of 12221201000120 in words is "twelve trillion, two hundred twenty-one billion, two hundred one million, one hundred twenty", and thus it is an aban number.
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