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12001222230131 is a prime number
BaseRepresentation
bin1010111010100100000010…
…0101101000000001110011
31120111022020210220211100002
42232221000211220001303
53033112000342331011
641305141350420215
72346026321545451
oct256510045500163
946438223824302
1012001222230131
113907765094452
121419b0106166b
13690930998594
142d6c100579d1
1515c2a539cc3b
hexaea40968073

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".