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12212201212279 is a prime number
BaseRepresentation
bin1011000110110101111111…
…1010100100100101110111
31121020110211022002120222221
42301231133322210211313
53100041042002243104
641550112514303211
72400205505366665
oct261553772444567
947213738076887
1012212201212279
113989190238412
121452981587b07
136a77b47635a3
143031062d7c35
15162a0260dc54
hexb1b5fea4977

12212201212279 has 2 divisors, whose sum is σ = 12212201212280. Its totient is φ = 12212201212278.

The previous prime is 12212201212181. The next prime is 12212201212291. The reversal of 12212201212279 is 97221210221221.

It is a strong prime.

It is an emirp because it is prime and its reverse (97221210221221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12212201212279 - 29 = 12212201211767 is a prime.

It is a super-3 number, since 3×122122012122793 (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212201213279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106100606139 + 6106100606140.

It is an arithmetic number, because the mean of its divisors is an integer number (6106100606140).

Almost surely, 212212201212279 is an apocalyptic number.

12212201212279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212201212279 is an equidigital number, since it uses as much as digits as its factorization.

12212201212279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 12212201212279 in words is "twelve trillion, two hundred twelve billion, two hundred one million, two hundred twelve thousand, two hundred seventy-nine".