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12220210330997 is a prime number
BaseRepresentation
bin1011000111010011110101…
…0010111011110101110101
31121021020111110122222102112
42301310331102323311311
53100203442321042442
641553515341420405
72400611126646224
oct261647522736565
947236443588375
1012220210330997
113991620173899
12145443786a705
136a848cb4a0a6
14303665c96cbb
15162d2080b082
hexb1d3d4bbd75

12220210330997 has 2 divisors, whose sum is σ = 12220210330998. Its totient is φ = 12220210330996.

The previous prime is 12220210330963. The next prime is 12220210331003. The reversal of 12220210330997 is 79903301202221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12158604112561 + 61606218436 = 3486919^2 + 248206^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220210330997 - 218 = 12220210068853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220210330397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110105165498 + 6110105165499.

It is an arithmetic number, because the mean of its divisors is an integer number (6110105165499).

Almost surely, 212220210330997 is an apocalyptic number.

It is an amenable number.

12220210330997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220210330997 is an equidigital number, since it uses as much as digits as its factorization.

12220210330997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 12220210330997 in words is "twelve trillion, two hundred twenty billion, two hundred ten million, three hundred thirty thousand, nine hundred ninety-seven".