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12212642219 is a prime number
BaseRepresentation
bin10110101111110111…
…00010000110101011
31011112010020111122012
423113323202012223
5200002414022334
65335503150135
7611432513621
oct132773420653
934463214565
1012212642219
1151a7799948
122449ba534b
1311c822721b
1483bd71511
154b72759ce
hex2d7ee21ab

12212642219 has 2 divisors, whose sum is σ = 12212642220. Its totient is φ = 12212642218.

The previous prime is 12212642213. The next prime is 12212642269. The reversal of 12212642219 is 91224621221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12212642219 - 220 = 12211593643 is a prime.

It is a super-2 number, since 2×122126422192 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12212642213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106321109 + 6106321110.

It is an arithmetic number, because the mean of its divisors is an integer number (6106321110).

Almost surely, 212212642219 is an apocalyptic number.

12212642219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212642219 is an equidigital number, since it uses as much as digits as its factorization.

12212642219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The spelling of 12212642219 in words is "twelve billion, two hundred twelve million, six hundred forty-two thousand, two hundred nineteen".