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12245214409 is a prime number
BaseRepresentation
bin10110110011101111…
…10010010011001001
31011121101112100021121
423121313302103021
5200034233330114
65343025235241
7612306414361
oct133167622311
934541470247
1012245214409
11521411690a
122458a92b21
131201bbcbcc
1484240d9a1
154ba05ba24
hex2d9df24c9

12245214409 has 2 divisors, whose sum is σ = 12245214410. Its totient is φ = 12245214408.

The previous prime is 12245214391. The next prime is 12245214433. The reversal of 12245214409 is 90441254221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8654208784 + 3591005625 = 93028^2 + 59925^2 .

It is a cyclic number.

It is not a de Polignac number, because 12245214409 - 211 = 12245212361 is a prime.

It is not a weakly prime, because it can be changed into another prime (12245214479) 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, 6122607204 + 6122607205.

It is an arithmetic number, because the mean of its divisors is an integer number (6122607205).

Almost surely, 212245214409 is an apocalyptic number.

It is an amenable number.

12245214409 is a deficient number, since it is larger than the sum of its proper divisors (1).

12245214409 is an equidigital number, since it uses as much as digits as its factorization.

12245214409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 12245214409 in words is "twelve billion, two hundred forty-five million, two hundred fourteen thousand, four hundred nine".