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12005274233 is a prime number
BaseRepresentation
bin10110010111001000…
…11111001001111001
31010222200001010020102
423023210133021321
5144041322233413
65303134405145
7603334101341
oct131344371171
933880033212
1012005274233
115100734247
1223b06607b5
131194290384
1481c5d1d21
154a3e63458
hex2cb91f279

12005274233 has 2 divisors, whose sum is σ = 12005274234. Its totient is φ = 12005274232.

The previous prime is 12005274191. The next prime is 12005274269. The reversal of 12005274233 is 33247250021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6758155264 + 5247118969 = 82208^2 + 72437^2 .

It is an emirp because it is prime and its reverse (33247250021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12005274233 - 210 = 12005273209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12005274196 and 12005274205.

It is not a weakly prime, because it can be changed into another prime (12005274293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002637116 + 6002637117.

It is an arithmetic number, because the mean of its divisors is an integer number (6002637117).

Almost surely, 212005274233 is an apocalyptic number.

It is an amenable number.

12005274233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12005274233 is an equidigital number, since it uses as much as digits as its factorization.

12005274233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The spelling of 12005274233 in words is "twelve billion, five million, two hundred seventy-four thousand, two hundred thirty-three".