Base | Representation |
---|---|
bin | 10110101110100000… |
… | …10101111001001100 |
3 | 1011111022221021111012 |
4 | 23113100111321030 |
5 | 144442014220022 |
6 | 5334420344352 |
7 | 611234336360 |
oct | 132720257114 |
9 | 34438837435 |
10 | 12201320012 |
11 | 51a1366352 |
12 | 24462450b8 |
13 | 11c5a918ab |
14 | 83a6652a0 |
15 | 4b628ade2 |
hex | 2d7415e4c |
12201320012 has 48 divisors (see below), whose sum is σ = 24585641472. Its totient is φ = 5190013440.
The previous prime is 12201319997. The next prime is 12201320029. The reversal of 12201320012 is 21002310221.
It is a happy number.
12201320012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (14).
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 15 ways as a sum of consecutive naturals, for example, 4704188 + ... + 4706780.
It is an arithmetic number, because the mean of its divisors is an integer number (512200864).
Almost surely, 212201320012 is an apocalyptic number.
It is an amenable number.
12201320012 is an abundant number, since it is smaller than the sum of its proper divisors (12384321460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12201320012 is a wasteful number, since it uses less digits than its factorization.
12201320012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3798 (or 3796 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 12201320012 its reverse (21002310221), we get a palindrome (33203630233).
The spelling of 12201320012 in words is "twelve billion, two hundred one million, three hundred twenty thousand, twelve".
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