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12212102179 is a prime number
BaseRepresentation
bin10110101111110010…
…11110010000100011
31011112002020001211201
423113321132100203
5200002244232204
65335443422031
7611425104304
oct132771362043
934462201751
1012212102179
1151a7460132
122449984917
1311c8098484
1483bc707ab
154b71ba9a4
hex2d7e5e423

12212102179 has 2 divisors, whose sum is σ = 12212102180. Its totient is φ = 12212102178.

The previous prime is 12212102173. The next prime is 12212102209. The reversal of 12212102179 is 97120121221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12212102179 - 23 = 12212102171 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212102171) 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, 6106051089 + 6106051090.

It is an arithmetic number, because the mean of its divisors is an integer number (6106051090).

Almost surely, 212212102179 is an apocalyptic number.

12212102179 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212102179 is an equidigital number, since it uses as much as digits as its factorization.

12212102179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 12212102179 in words is "twelve billion, two hundred twelve million, one hundred two thousand, one hundred seventy-nine".