Base | Representation |
---|---|
bin | 111000110110111011… |
… | …0001111011110101100 |
3 | 102200011111111021212111 |
4 | 1301231312033132230 |
5 | 4000031104120022 |
6 | 132032022013404 |
7 | 11551542021430 |
oct | 1615566173654 |
9 | 380144437774 |
10 | 122102020012 |
11 | 47868452945 |
12 | 1b7b7877264 |
13 | b68b8317ab |
14 | 5ca459a9c0 |
15 | 32997bb477 |
hex | 1c6dd8f7ac |
122102020012 has 24 divisors (see below), whose sum is σ = 244212258080. Its totient is φ = 52327676160.
The previous prime is 122102019989. The next prime is 122102020013. The reversal of 122102020012 is 210020201221.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 122102019974 and 122102020001.
It is not an unprimeable number, because it can be changed into a prime (122102020013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106212 + ... + 1211572.
Almost surely, 2122102020012 is an apocalyptic number.
It is an amenable number.
122102020012 is an abundant number, since it is smaller than the sum of its proper divisors (122110238068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122102020012 is a wasteful number, since it uses less digits than its factorization.
122102020012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146761 (or 146759 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 122102020012 its reverse (210020201221), we get a palindrome (332122221233).
The spelling of 122102020012 in words is "one hundred twenty-two billion, one hundred two million, twenty thousand, twelve".
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