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12122201087 is a prime number
BaseRepresentation
bin10110100101000101…
…00001101111111111
31011021211001121201122
423102202201233333
5144311240413322
65322512501155
7606254003063
oct132242415777
934254047648
1012122201087
115160737107
12242384a7bb
1311b257c569
1482dd4baa3
154ae35d442
hex2d28a1bff

12122201087 has 2 divisors, whose sum is σ = 12122201088. Its totient is φ = 12122201086.

The previous prime is 12122201071. The next prime is 12122201099. The reversal of 12122201087 is 78010222121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12122201087 - 24 = 12122201071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122201587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061100543 + 6061100544.

It is an arithmetic number, because the mean of its divisors is an integer number (6061100544).

Almost surely, 212122201087 is an apocalyptic number.

12122201087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122201087 is an equidigital number, since it uses as much as digits as its factorization.

12122201087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

The spelling of 12122201087 in words is "twelve billion, one hundred twenty-two million, two hundred one thousand, eighty-seven".