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12031322167 is a prime number
BaseRepresentation
bin10110011010001111…
…10110100000110111
31011001111001111021201
423031013312200313
5144120004302132
65305504553331
7604101360004
oct131507664067
934044044251
1012031322167
115114405467
1223b9322847
1311997b0557
14821c528ab
154a63ab2e7
hex2cd1f6837

12031322167 has 2 divisors, whose sum is σ = 12031322168. Its totient is φ = 12031322166.

The previous prime is 12031322123. The next prime is 12031322231. The reversal of 12031322167 is 76122313021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12031322167 - 219 = 12030797879 is a prime.

It is a super-2 number, since 2×120313221672 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12031323167) 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, 6015661083 + 6015661084.

It is an arithmetic number, because the mean of its divisors is an integer number (6015661084).

Almost surely, 212031322167 is an apocalyptic number.

12031322167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031322167 is an equidigital number, since it uses as much as digits as its factorization.

12031322167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 12031322167 its reverse (76122313021), we get a palindrome (88153635188).

The spelling of 12031322167 in words is "twelve billion, thirty-one million, three hundred twenty-two thousand, one hundred sixty-seven".