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12011340287 is a prime number
BaseRepresentation
bin10110010111110111…
…01000000111111111
31011000002110022022002
423023323220013333
5144044400342122
65303512412515
7603436464542
oct131373500777
934002408262
1012011340287
1151040a7811
1223b26a713b
13119560545b
1481d330859
154a4760992
hex2cbee81ff

12011340287 has 2 divisors, whose sum is σ = 12011340288. Its totient is φ = 12011340286.

The previous prime is 12011340283. The next prime is 12011340317. The reversal of 12011340287 is 78204311021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12011340287 - 22 = 12011340283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011340283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005670143 + 6005670144.

It is an arithmetic number, because the mean of its divisors is an integer number (6005670144).

Almost surely, 212011340287 is an apocalyptic number.

12011340287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011340287 is an equidigital number, since it uses as much as digits as its factorization.

12011340287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 12011340287 in words is "twelve billion, eleven million, three hundred forty thousand, two hundred eighty-seven".