Base | Representation |
---|---|
bin | 1011000001000001011101… |
… | …1000111111101111011111 |
3 | 1120212220201001112222121002 |
4 | 2300100113120333233133 |
5 | 3041421241223000411 |
6 | 41432133513500515 |
7 | 2360035420006442 |
oct | 260202730775737 |
9 | 46786631488532 |
10 | 12112200203231 |
11 | 394a834283197 |
12 | 143751341173b |
13 | 69b23898c79b |
14 | 2dc33b093659 |
15 | 1600ed27533b |
hex | b041763fbdf |
12112200203231 has 2 divisors, whose sum is σ = 12112200203232. Its totient is φ = 12112200203230.
The previous prime is 12112200203177. The next prime is 12112200203251. The reversal of 12112200203231 is 13230200221121.
It is an a-pointer prime, because the next prime (12112200203251) can be obtained adding 12112200203231 to its sum of digits (20).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12112200203231 - 214 = 12112200186847 is a prime.
It is a super-2 number, since 2×121122002032312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12112200203251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056100101615 + 6056100101616.
It is an arithmetic number, because the mean of its divisors is an integer number (6056100101616).
Almost surely, 212112200203231 is an apocalyptic number.
12112200203231 is a deficient number, since it is larger than the sum of its proper divisors (1).
12112200203231 is an equidigital number, since it uses as much as digits as its factorization.
12112200203231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 12112200203231 its reverse (13230200221121), we get a palindrome (25342400424352).
The spelling of 12112200203231 in words is "twelve trillion, one hundred twelve billion, two hundred million, two hundred three thousand, two hundred thirty-one".
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