Base | Representation |
---|---|
bin | 1011000110001101000011… |
… | …1101111100101101100111 |
3 | 1121012102110111212122022201 |
4 | 2301203100331330231213 |
5 | 3044401041013133111 |
6 | 41541054311235331 |
7 | 2366336301325666 |
oct | 261432075745547 |
9 | 47172414778281 |
10 | 12201213021031 |
11 | 3984561735721 |
12 | 1450815678b47 |
13 | 6a6753111b88 |
14 | 302782c1cddd |
15 | 1625acb036c1 |
hex | b18d0f7cb67 |
12201213021031 has 2 divisors, whose sum is σ = 12201213021032. Its totient is φ = 12201213021030.
The previous prime is 12201213021013. The next prime is 12201213021037. The reversal of 12201213021031 is 13012031210221.
Together with previous prime (12201213021013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12201213021031 - 213 = 12201213012839 is a prime.
It is a super-2 number, since 2×122012130210312 (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 (12201213021037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100606510515 + 6100606510516.
It is an arithmetic number, because the mean of its divisors is an integer number (6100606510516).
Almost surely, 212201213021031 is an apocalyptic number.
12201213021031 is a deficient number, since it is larger than the sum of its proper divisors (1).
12201213021031 is an equidigital number, since it uses as much as digits as its factorization.
12201213021031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 12201213021031 its reverse (13012031210221), we get a palindrome (25213244231252).
The spelling of 12201213021031 in words is "twelve trillion, two hundred one billion, two hundred thirteen million, twenty-one thousand, thirty-one".
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