Base | Representation |
---|---|
bin | 10110010110100000… |
… | …11010011110110101 |
3 | 1010222022010210002210 |
4 | 23023100122132311 |
5 | 144034000342323 |
6 | 5302425524033 |
7 | 603241264230 |
oct | 131320323665 |
9 | 33868123083 |
10 | 12000012213 |
11 | 50a876a872 |
12 | 23aa943619 |
13 | 119316a257 |
14 | 81ba22417 |
15 | 4a3774293 |
hex | 2cb41a7b5 |
12000012213 has 16 divisors (see below), whose sum is σ = 18320846976. Its totient is φ = 6843982080.
The previous prime is 12000012181. The next prime is 12000012289. The reversal of 12000012213 is 31221000021.
It is not a de Polignac number, because 12000012213 - 25 = 12000012181 is a prime.
It is a super-2 number, since 2×120000122132 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12000010213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537456 + ... + 559337.
It is an arithmetic number, because the mean of its divisors is an integer number (1145052936).
Almost surely, 212000012213 is an apocalyptic number.
It is an amenable number.
12000012213 is a deficient number, since it is larger than the sum of its proper divisors (6320834763).
12000012213 is a wasteful number, since it uses less digits than its factorization.
12000012213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1097324.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 12000012213 its reverse (31221000021), we get a palindrome (43221012234).
The spelling of 12000012213 in words is "twelve billion, twelve thousand, two hundred thirteen".
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