Base | Representation |
---|---|
bin | 111000110100001101… |
… | …1000100110001110100 |
3 | 102122221011020121122020 |
4 | 1301220123010301310 |
5 | 3444334304342322 |
6 | 132015011233140 |
7 | 11546355330525 |
oct | 1615033046164 |
9 | 378834217566 |
10 | 122011012212 |
11 | 47821043391 |
12 | 1b7912a87b0 |
13 | b675a18c1b |
14 | 5c9646a84c |
15 | 32917e105c |
hex | 1c686c4c74 |
122011012212 has 12 divisors (see below), whose sum is σ = 284692361856. Its totient is φ = 40670337400.
The previous prime is 122011012187. The next prime is 122011012289. The reversal of 122011012212 is 212210110221.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 122011012191 and 122011012200.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5083792164 + ... + 5083792187.
It is an arithmetic number, because the mean of its divisors is an integer number (23724363488).
Almost surely, 2122011012212 is an apocalyptic number.
122011012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122011012212 is an abundant number, since it is smaller than the sum of its proper divisors (162681349644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122011012212 is a wasteful number, since it uses less digits than its factorization.
122011012212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10167584358 (or 10167584356 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 122011012212 its reverse (212210110221), we get a palindrome (334221122433).
The spelling of 122011012212 in words is "one hundred twenty-two billion, eleven million, twelve thousand, two hundred twelve".
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