Base | Representation |
---|---|
bin | 1011000010001011100110… |
… | …1000110100110110001001 |
3 | 1120221211002001112200010222 |
4 | 2300202321220310312021 |
5 | 3042233021121143311 |
6 | 41445224421115425 |
7 | 2361341541420632 |
oct | 260427150646611 |
9 | 46854061480128 |
10 | 12132102131081 |
11 | 3958217408149 |
12 | 143b348558b75 |
13 | 6a008ac4a25a |
14 | 2dd2a832a889 |
15 | 1608b55bcadb |
hex | b08b9a34d89 |
12132102131081 has 2 divisors, whose sum is σ = 12132102131082. Its totient is φ = 12132102131080.
The previous prime is 12132102131011. The next prime is 12132102131111. The reversal of 12132102131081 is 18013120123121.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11831157726025 + 300944405056 = 3439645^2 + 548584^2 .
It is an emirp because it is prime and its reverse (18013120123121) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12132102131081 is a prime.
It is a super-2 number, since 2×121321021310812 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12132102131081.
It is not a weakly prime, because it can be changed into another prime (12132102131011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066051065540 + 6066051065541.
It is an arithmetic number, because the mean of its divisors is an integer number (6066051065541).
Almost surely, 212132102131081 is an apocalyptic number.
It is an amenable number.
12132102131081 is a deficient number, since it is larger than the sum of its proper divisors (1).
12132102131081 is an equidigital number, since it uses as much as digits as its factorization.
12132102131081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 26.
The spelling of 12132102131081 in words is "twelve trillion, one hundred thirty-two billion, one hundred two million, one hundred thirty-one thousand, eighty-one".
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