Base | Representation |
---|---|
bin | 10110100010011011… |
… | …11000100010110010 |
3 | 1011020021022022022101 |
4 | 23101031320202302 |
5 | 144240100342320 |
6 | 5320401131014 |
7 | 605564256346 |
oct | 132115704262 |
9 | 34207268271 |
10 | 12100012210 |
11 | 514a1612a0 |
12 | 2418329a6a |
13 | 11aaab0a50 |
14 | 82b013626 |
15 | 4ac428c0a |
hex | 2d13788b2 |
12100012210 has 64 divisors (see below), whose sum is σ = 25675937280. Its totient is φ = 4047540480.
The previous prime is 12100012207. The next prime is 12100012217. The reversal of 12100012210 is 1221000121.
It is a Harshad number since it is a multiple of its sum of digits (10).
12100012210 is a modest number, since divided by 12210 gives 12100 as remainder.
It is not an unprimeable number, because it can be changed into a prime (12100012217) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404551 + ... + 433429.
It is an arithmetic number, because the mean of its divisors is an integer number (401186520).
Almost surely, 212100012210 is an apocalyptic number.
12100012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12100012210 is an abundant number, since it is smaller than the sum of its proper divisors (13575925070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12100012210 is a wasteful number, since it uses less digits than its factorization.
12100012210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29203.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 12100012210 its reverse (1221000121), we get a palindrome (13321012331).
The spelling of 12100012210 in words is "twelve billion, one hundred million, twelve thousand, two hundred ten".
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