Base | Representation |
---|---|
bin | 10110010110101000… |
… | …01110001000011010 |
3 | 1010222101000111002100 |
4 | 23023110032020122 |
5 | 144034224311302 |
6 | 5302503144230 |
7 | 603252621636 |
oct | 131324161032 |
9 | 33871014070 |
10 | 12001010202 |
11 | 50a9291655 |
12 | 23ab145076 |
13 | 119342958c |
14 | 81bc01dc6 |
15 | 4a38bed1c |
hex | 2cb50e21a |
12001010202 has 24 divisors (see below), whose sum is σ = 26898817140. Its totient is φ = 3862393920.
The previous prime is 12001010171. The next prime is 12001010207. The reversal of 12001010202 is 20201010021.
It can be written as a sum of positive squares in 2 ways, for example, as 11889939681 + 111070521 = 109041^2 + 10539^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (12001010207) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11494699 + ... + 11495742.
Almost surely, 212001010202 is an apocalyptic number.
12001010202 is an abundant number, since it is smaller than the sum of its proper divisors (14897806938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12001010202 is a wasteful number, since it uses less digits than its factorization.
12001010202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22990478 (or 22990475 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 12001010202 its reverse (20201010021), we get a palindrome (32202020223).
The spelling of 12001010202 in words is "twelve billion, one million, ten thousand, two hundred two".
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