Base | Representation |
---|---|
bin | 1010111010100100000010… |
… | …0101101000000001110011 |
3 | 1120111022020210220211100002 |
4 | 2232221000211220001303 |
5 | 3033112000342331011 |
6 | 41305141350420215 |
7 | 2346026321545451 |
oct | 256510045500163 |
9 | 46438223824302 |
10 | 12001222230131 |
11 | 3907765094452 |
12 | 1419b0106166b |
13 | 690930998594 |
14 | 2d6c100579d1 |
15 | 15c2a539cc3b |
hex | aea40968073 |
12001222230131 has 2 divisors, whose sum is σ = 12001222230132. Its totient is φ = 12001222230130.
The previous prime is 12001222230103. The next prime is 12001222230197. The reversal of 12001222230131 is 13103222210021.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12001222230131 - 222 = 12001218035827 is a prime.
It is a super-2 number, since 2×120012222301312 (a number of 27 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12001222236131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000611115065 + 6000611115066.
It is an arithmetic number, because the mean of its divisors is an integer number (6000611115066).
Almost surely, 212001222230131 is an apocalyptic number.
12001222230131 is a deficient number, since it is larger than the sum of its proper divisors (1).
12001222230131 is an equidigital number, since it uses as much as digits as its factorization.
12001222230131 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 12001222230131 its reverse (13103222210021), we get a palindrome (25104444440152).
The spelling of 12001222230131 in words is "twelve trillion, one billion, two hundred twenty-two million, two hundred thirty thousand, one hundred thirty-one".
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