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12199801080749 is a prime number
BaseRepresentation
bin1011000110000111110011…
…0011110100101110101101
31121012021211010001122101012
42301201330303310232231
53044340143034040444
641540302232355005
72366256305123012
oct261417463645655
947167733048335
1012199801080749
1139839a7731027
1214504a0845a65
136a6589742659
1430268b4bd709
15162528ba0b9e
hexb187ccf4bad

12199801080749 has 2 divisors, whose sum is σ = 12199801080750. Its totient is φ = 12199801080748.

The previous prime is 12199801080697. The next prime is 12199801080773. The reversal of 12199801080749 is 94708010899121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11618519874025 + 581281206724 = 3408595^2 + 762418^2 .

It is an emirp because it is prime and its reverse (94708010899121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12199801080749 - 236 = 12131081604013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12199801080449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6099900540374 + 6099900540375.

It is an arithmetic number, because the mean of its divisors is an integer number (6099900540375).

Almost surely, 212199801080749 is an apocalyptic number.

It is an amenable number.

12199801080749 is a deficient number, since it is larger than the sum of its proper divisors (1).

12199801080749 is an equidigital number, since it uses as much as digits as its factorization.

12199801080749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 59.

The spelling of 12199801080749 in words is "twelve trillion, one hundred ninety-nine billion, eight hundred one million, eighty thousand, seven hundred forty-nine".