Base | Representation |
---|---|
bin | 10001011110100010011… |
… | …000100001001100101100 |
3 | 11020211001011102020202112 |
4 | 101132202120201030230 |
5 | 124134142133241022 |
6 | 2315424023143152 |
7 | 152525254235045 |
oct | 21364230411454 |
9 | 4224034366675 |
10 | 1201020212012 |
11 | 423393665515 |
12 | 1749232a4ab8 |
13 | 89342a8095a |
14 | 421b5c178cc |
15 | 213945608e2 |
hex | 117a262132c |
1201020212012 has 12 divisors (see below), whose sum is σ = 2101794905280. Its totient is φ = 600507381936.
The previous prime is 1201020212011. The next prime is 1201020212081. The reversal of 1201020212012 is 2102120201021.
It is a super-2 number, since 2×12010202120122 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1201020212011) by changing a digit.
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, 563813 + ... + 1649219.
It is an arithmetic number, because the mean of its divisors is an integer number (175149575440).
Almost surely, 21201020212012 is an apocalyptic number.
It is an amenable number.
1201020212012 is a deficient number, since it is larger than the sum of its proper divisors (900774693268).
1201020212012 is a wasteful number, since it uses less digits than its factorization.
1201020212012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1362040 (or 1362038 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1201020212012 its reverse (2102120201021), we get a palindrome (3303140413033).
The spelling of 1201020212012 in words is "one trillion, two hundred one billion, twenty million, two hundred twelve thousand, twelve".
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