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12120101100127 is a prime number
BaseRepresentation
bin1011000001011110111001…
…0100100001101001011111
31120220200002200111010121001
42300113232110201221133
53042033431340201002
641435521513251131
72360435255351326
oct260275624415137
946820080433531
1012120101100127
113953119111a49
121438b59403aa7
1369bbc78143c7
142dc88a5210bd
15160411be6a87
hexb05ee521a5f

12120101100127 has 2 divisors, whose sum is σ = 12120101100128. Its totient is φ = 12120101100126.

The previous prime is 12120101100059. The next prime is 12120101100137. The reversal of 12120101100127 is 72100110102121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12120101100127 - 27 = 12120101099999 is a prime.

It is a super-2 number, since 2×121201011001272 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120101100137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060050550063 + 6060050550064.

It is an arithmetic number, because the mean of its divisors is an integer number (6060050550064).

Almost surely, 212120101100127 is an apocalyptic number.

12120101100127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120101100127 is an equidigital number, since it uses as much as digits as its factorization.

12120101100127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 12120101100127 its reverse (72100110102121), we get a palindrome (84220211202248).

The spelling of 12120101100127 in words is "twelve trillion, one hundred twenty billion, one hundred one million, one hundred thousand, one hundred twenty-seven".