Base | Representation |
---|---|
bin | 1011000000011100001111… |
… | …1111101010110001100111 |
3 | 1120211221220220022222210001 |
4 | 2300013003333222301213 |
5 | 3041240312021321411 |
6 | 41423402401042131 |
7 | 2356233034133461 |
oct | 260070377526147 |
9 | 46757826288701 |
10 | 12102211120231 |
11 | 39465787452a1 |
12 | 14355a6026347 |
13 | 69a30632539b |
14 | 2dba70573131 |
15 | 15ec16321dc1 |
hex | b01c3feac67 |
12102211120231 has 2 divisors, whose sum is σ = 12102211120232. Its totient is φ = 12102211120230.
The previous prime is 12102211120217. The next prime is 12102211120283. The reversal of 12102211120231 is 13202111220121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12102211120231 - 235 = 12067851381863 is a prime.
It is a super-2 number, since 2×121022111202312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12102211120199 and 12102211120208.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12102211120201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051105560115 + 6051105560116.
It is an arithmetic number, because the mean of its divisors is an integer number (6051105560116).
Almost surely, 212102211120231 is an apocalyptic number.
12102211120231 is a deficient number, since it is larger than the sum of its proper divisors (1).
12102211120231 is an equidigital number, since it uses as much as digits as its factorization.
12102211120231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 19.
Adding to 12102211120231 its reverse (13202111220121), we get a palindrome (25304322340352).
The spelling of 12102211120231 in words is "twelve trillion, one hundred two billion, two hundred eleven million, one hundred twenty thousand, two hundred thirty-one".
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