Base | Representation |
---|---|
bin | 10110101111110010… |
… | …11101110001101001 |
3 | 1011112002012222010110 |
4 | 23113321131301221 |
5 | 200002244201301 |
6 | 5335443404533 |
7 | 611425065450 |
oct | 132771356151 |
9 | 34462188113 |
10 | 12212100201 |
11 | 51a74596a4 |
12 | 2449983749 |
13 | 11c80975c2 |
14 | 83bc6db97 |
15 | 4b71ba0d6 |
hex | 2d7e5dc69 |
12212100201 has 32 divisors (see below), whose sum is σ = 18833713920. Its totient is φ = 6894176256.
The previous prime is 12212100149. The next prime is 12212100203. The reversal of 12212100201 is 10200121221.
It is not a de Polignac number, because 12212100201 - 210 = 12212099177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12212100203) 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, 3319375 + ... + 3323051.
It is an arithmetic number, because the mean of its divisors is an integer number (588553560).
Almost surely, 212212100201 is an apocalyptic number.
It is an amenable number.
12212100201 is a deficient number, since it is larger than the sum of its proper divisors (6621613719).
12212100201 is a wasteful number, since it uses less digits than its factorization.
12212100201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5553.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 12212100201 its reverse (10200121221), we get a palindrome (22412221422).
The spelling of 12212100201 in words is "twelve billion, two hundred twelve million, one hundred thousand, two hundred one".
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