Base | Representation |
---|---|
bin | 101110100010… |
… | …110001000000 |
3 | 211221212122210 |
4 | 232202301000 |
5 | 11110413044 |
6 | 1113302120 |
7 | 205464333 |
oct | 56426100 |
9 | 24855583 |
10 | 12201024 |
11 | 69838a0 |
12 | 4104940 |
13 | 26b2654 |
14 | 189861a |
15 | 11101b9 |
hex | ba2c40 |
12201024 has 112 divisors (see below), whose sum is σ = 36210240. Its totient is φ = 3594240.
The previous prime is 12200989. The next prime is 12201041. The reversal of 12201024 is 42010221.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111882 + ... + 111990.
Almost surely, 212201024 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12201024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18105120).
12201024 is an abundant number, since it is smaller than the sum of its proper divisors (24009216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12201024 is a wasteful number, since it uses less digits than its factorization.
12201024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188 (or 178 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 12201024 is about 3492.9964214124. The cubic root of 12201024 is about 230.2141924013.
Adding to 12201024 its reverse (42010221), we get a palindrome (54211245).
The spelling of 12201024 in words is "twelve million, two hundred one thousand, twenty-four".
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