Base | Representation |
---|---|
bin | 10001101000111101010… |
… | …110111100011000001111 |
3 | 11021212221000100122102212 |
4 | 101220331112330120033 |
5 | 124330101302432002 |
6 | 2324514235341035 |
7 | 153402461464661 |
oct | 21507526743017 |
9 | 4255830318385 |
10 | 1212210202127 |
11 | 428106069731 |
12 | 176b268b177b |
13 | 8a407169392 |
14 | 42958022531 |
15 | 217ebb2d352 |
hex | 11a3d5bc60f |
1212210202127 has 2 divisors, whose sum is σ = 1212210202128. Its totient is φ = 1212210202126.
The previous prime is 1212210202087. The next prime is 1212210202129. The reversal of 1212210202127 is 7212020122121.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1212210202127 - 214 = 1212210185743 is a prime.
Together with 1212210202129, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1212210202129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105101063 + 606105101064.
It is an arithmetic number, because the mean of its divisors is an integer number (606105101064).
Almost surely, 21212210202127 is an apocalyptic number.
1212210202127 is a deficient number, since it is larger than the sum of its proper divisors (1).
1212210202127 is an equidigital number, since it uses as much as digits as its factorization.
1212210202127 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 448, while the sum is 23.
Adding to 1212210202127 its reverse (7212020122121), we get a palindrome (8424230324248).
The spelling of 1212210202127 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred two thousand, one hundred twenty-seven".
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