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12442226297 is a prime number
BaseRepresentation
bin10111001011001110…
…10100111001111001
31012010010020120210012
423211213110321321
5200440202220142
65414344031305
7620221115144
oct134547247171
935103216705
1012442226297
115305348856
1224b2a62535
13123396c0a7
1486065505b
154cc4c5882
hex2e59d4e79

12442226297 has 2 divisors, whose sum is σ = 12442226298. Its totient is φ = 12442226296.

The previous prime is 12442226263. The next prime is 12442226299. The reversal of 12442226297 is 79262224421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9785957776 + 2656268521 = 98924^2 + 51539^2 .

It is an emirp because it is prime and its reverse (79262224421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12442226297 - 212 = 12442222201 is a prime.

It is a super-3 number, since 3×124422262973 (a number of 31 digits) contains 333 as substring.

Together with 12442226299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12442226299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221113148 + 6221113149.

It is an arithmetic number, because the mean of its divisors is an integer number (6221113149).

Almost surely, 212442226297 is an apocalyptic number.

It is an amenable number.

12442226297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442226297 is an equidigital number, since it uses as much as digits as its factorization.

12442226297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The spelling of 12442226297 in words is "twelve billion, four hundred forty-two million, two hundred twenty-six thousand, two hundred ninety-seven".