Base | Representation |
---|---|
bin | 111000110011111010… |
… | …1101100001100110100 |
3 | 102122220110210201120021 |
4 | 1301213311230030310 |
5 | 3444324302242322 |
6 | 132014021214524 |
7 | 11546206123225 |
oct | 1614765541464 |
9 | 378813721507 |
10 | 122001212212 |
11 | 4781655a510 |
12 | 1b789b61444 |
13 | b6739973c9 |
14 | 5c9503924c |
15 | 3290a074c7 |
hex | 1c67d6c334 |
122001212212 has 24 divisors (see below), whose sum is σ = 233051599872. Its totient is φ = 55421716800.
The previous prime is 122001212191. The next prime is 122001212219. The reversal of 122001212212 is 212212100221.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122001212219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760489 + ... + 906832.
It is an arithmetic number, because the mean of its divisors is an integer number (9710483328).
Almost surely, 2122001212212 is an apocalyptic number.
It is an amenable number.
122001212212 is a deficient number, since it is larger than the sum of its proper divisors (111050387660).
122001212212 is a wasteful number, since it uses less digits than its factorization.
122001212212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1668999 (or 1668997 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 122001212212 its reverse (212212100221), we get a palindrome (334213312433).
The spelling of 122001212212 in words is "one hundred twenty-two billion, one million, two hundred twelve thousand, two hundred twelve".
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