Base | Representation |
---|---|
bin | 11011010100000000010101… |
… | …110111000110110110000101 |
3 | 120202022112220120002000111222 |
4 | 123110000111313012312011 |
5 | 111221034340044231041 |
6 | 1103251142431410125 |
7 | 34205346304014206 |
oct | 3324002567066605 |
9 | 522275816060458 |
10 | 120122012102021 |
11 | 35302506291366 |
12 | 1158054a983945 |
13 | 52045c3437947 |
14 | 2193d177015ad |
15 | dd49b10ae74b |
hex | 6d4015dc6d85 |
120122012102021 has 4 divisors (see below), whose sum is σ = 120122096551200. Its totient is φ = 120121927652844.
The previous prime is 120122012102003. The next prime is 120122012102039. The reversal of 120122012102021 is 120201210221021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (120122012102003) and next prime (120122012102039).
It is a cyclic number.
It is not a de Polignac number, because 120122012102021 - 210 = 120122012100997 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120122012102221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40053761 + ... + 42948198.
It is an arithmetic number, because the mean of its divisors is an integer number (30030524137800).
Almost surely, 2120122012102021 is an apocalyptic number.
It is an amenable number.
120122012102021 is a deficient number, since it is larger than the sum of its proper divisors (84449179).
120122012102021 is an equidigital number, since it uses as much as digits as its factorization.
120122012102021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84449178.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 120122012102021 its reverse (120201210221021), we get a palindrome (240323222323042).
The spelling of 120122012102021 in words is "one hundred twenty trillion, one hundred twenty-two billion, twelve million, one hundred two thousand, twenty-one".
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