Base | Representation |
---|---|
bin | 1011001011111101100001… |
… | …0110110000100100101111 |
3 | 1121112212202121002101211111 |
4 | 2302333120112300210233 |
5 | 3103011122012310411 |
6 | 42054333033132451 |
7 | 2406440320151245 |
oct | 262773026604457 |
9 | 47485677071744 |
10 | 12300121213231 |
11 | 3a124a7841425 |
12 | 1467a1985a127 |
13 | 6b2b8667b6a7 |
14 | 307486c74795 |
15 | 164e4b074721 |
hex | b2fd85b092f |
12300121213231 has 2 divisors, whose sum is σ = 12300121213232. Its totient is φ = 12300121213230.
The previous prime is 12300121213217. The next prime is 12300121213321. The reversal of 12300121213231 is 13231212100321.
Together with next prime (12300121213321) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12300121213231 - 25 = 12300121213199 is a prime.
It is a super-2 number, since 2×123001212132312 (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 (12300121210231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150060606615 + 6150060606616.
It is an arithmetic number, because the mean of its divisors is an integer number (6150060606616).
Almost surely, 212300121213231 is an apocalyptic number.
12300121213231 is a deficient number, since it is larger than the sum of its proper divisors (1).
12300121213231 is an equidigital number, since it uses as much as digits as its factorization.
12300121213231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 12300121213231 its reverse (13231212100321), we get a palindrome (25531333313552).
The spelling of 12300121213231 in words is "twelve trillion, three hundred billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred thirty-one".
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