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12213330109 is a prime number
BaseRepresentation
bin10110101111111100…
…01010000010111101
31011112011112110020121
423113332022002331
5200003103030414
65335530014541
7611441410261
oct132776120275
934464473217
1012213330109
1151a8119752
12244a277451
1311c8408366
1483c0b00a1
154b735e724
hex2d7f8a0bd

12213330109 has 2 divisors, whose sum is σ = 12213330110. Its totient is φ = 12213330108.

The previous prime is 12213330061. The next prime is 12213330113. The reversal of 12213330109 is 90103331221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6974755225 + 5238574884 = 83515^2 + 72378^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213330109 - 225 = 12179775677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213330149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106665054 + 6106665055.

It is an arithmetic number, because the mean of its divisors is an integer number (6106665055).

Almost surely, 212213330109 is an apocalyptic number.

It is an amenable number.

12213330109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213330109 is an equidigital number, since it uses as much as digits as its factorization.

12213330109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 12213330109 in words is "twelve billion, two hundred thirteen million, three hundred thirty thousand, one hundred nine".