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12011120287 is a prime number
BaseRepresentation
bin10110010111110101…
…10010011010011111
31011000002001010111221
423023322302122133
5144044321322122
65303503554211
7603434560255
oct131372623237
934002033457
1012011120287
115103a674a1
1223b25bb967
13119555928a
1481d2b45d5
154a471a6c7
hex2cbeb269f

12011120287 has 2 divisors, whose sum is σ = 12011120288. Its totient is φ = 12011120286.

The previous prime is 12011120201. The next prime is 12011120299. The reversal of 12011120287 is 78202111021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011120287 - 223 = 12002731679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011120087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005560143 + 6005560144.

It is an arithmetic number, because the mean of its divisors is an integer number (6005560144).

Almost surely, 212011120287 is an apocalyptic number.

12011120287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011120287 is an equidigital number, since it uses as much as digits as its factorization.

12011120287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

The spelling of 12011120287 in words is "twelve billion, eleven million, one hundred twenty thousand, two hundred eighty-seven".