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12011220107 is a prime number
BaseRepresentation
bin10110010111110110…
…01010110010001011
31011000002020012102222
423023323022302023
5144044333020412
65303510044255
7603435454265
oct131373126213
934002205388
1012011220107
115104025497
1223b264968b
131195592843
1481d2dcb35
154a473a072
hex2cbecac8b

12011220107 has 2 divisors, whose sum is σ = 12011220108. Its totient is φ = 12011220106.

The previous prime is 12011220083. The next prime is 12011220157. The reversal of 12011220107 is 70102211021.

It is a weak prime.

It is an emirp because it is prime and its reverse (70102211021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12011220107 - 28 = 12011219851 is a prime.

It is not a weakly prime, because it can be changed into another prime (12011220157) 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, 6005610053 + 6005610054.

It is an arithmetic number, because the mean of its divisors is an integer number (6005610054).

Almost surely, 212011220107 is an apocalyptic number.

12011220107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011220107 is an equidigital number, since it uses as much as digits as its factorization.

12011220107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 12011220107 its reverse (70102211021), we get a palindrome (82113431128).

The spelling of 12011220107 in words is "twelve billion, eleven million, two hundred twenty thousand, one hundred seven".