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12200122127 is a prime number
BaseRepresentation
bin10110101110010111…
…10001011100001111
31011111020200102022002
423113023301130033
5144441212402002
65334334542515
7611221220114
oct132713613417
934436612262
1012200122127
1151a0718366
122445967a3b
1311c576259b
1483a43290b
154b6101002
hex2d72f170f

12200122127 has 2 divisors, whose sum is σ = 12200122128. Its totient is φ = 12200122126.

The previous prime is 12200122117. The next prime is 12200122141. The reversal of 12200122127 is 72122100221.

It is a weak prime.

It is an emirp because it is prime and its reverse (72122100221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12200122127 - 212 = 12200118031 is a prime.

It is a super-5 number, since 5×122001221275 (a number of 52 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12200122099 and 12200122108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200122117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100061063 + 6100061064.

It is an arithmetic number, because the mean of its divisors is an integer number (6100061064).

Almost surely, 212200122127 is an apocalyptic number.

12200122127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200122127 is an equidigital number, since it uses as much as digits as its factorization.

12200122127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 12200122127 its reverse (72122100221), we get a palindrome (84322222348).

The spelling of 12200122127 in words is "twelve billion, two hundred million, one hundred twenty-two thousand, one hundred twenty-seven".