Base | Representation |
---|---|
bin | 11011010101001010000110… |
… | …100011001100110000010001 |
3 | 120202121010100010212210121012 |
4 | 123111022012203030300101 |
5 | 111223334040300320311 |
6 | 1103351401410540305 |
7 | 34214152043036021 |
oct | 3325120643146021 |
9 | 522533303783535 |
10 | 120201212120081 |
11 | 3533305866a144 |
12 | 11593972897695 |
13 | 520bc058c4b61 |
14 | 2197aac117a81 |
15 | dd6a9920b78b |
hex | 6d52868ccc11 |
120201212120081 has 2 divisors, whose sum is σ = 120201212120082. Its totient is φ = 120201212120080.
The previous prime is 120201212120071. The next prime is 120201212120153. The reversal of 120201212120081 is 180021212102021.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 119172592224400 + 1028619895681 = 10916620^2 + 1014209^2 .
It is a cyclic number.
It is not a de Polignac number, because 120201212120081 - 210 = 120201212119057 is a prime.
It is a super-2 number, since 2×1202012121200812 (a number of 29 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (120201212120071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100606060040 + 60100606060041.
It is an arithmetic number, because the mean of its divisors is an integer number (60100606060041).
Almost surely, 2120201212120081 is an apocalyptic number.
It is an amenable number.
120201212120081 is a deficient number, since it is larger than the sum of its proper divisors (1).
120201212120081 is an equidigital number, since it uses as much as digits as its factorization.
120201212120081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 256, while the sum is 23.
The spelling of 120201212120081 in words is "one hundred twenty trillion, two hundred one billion, two hundred twelve million, one hundred twenty thousand, eighty-one".
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