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12012102120101 is a prime number
BaseRepresentation
bin1010111011001100100100…
…0101000111001010100101
31120112100100001100111120212
42232303021011013022211
53033301241120320401
641314141124305205
72346563042231336
oct256631105071245
946470301314525
1012012102120101
113911338545856
121420038842205
13691975a5abb5
142d7562dc028d
1515c6e0613dbb
hexaecc91472a5

12012102120101 has 2 divisors, whose sum is σ = 12012102120102. Its totient is φ = 12012102120100.

The previous prime is 12012102120079. The next prime is 12012102120181. The reversal of 12012102120101 is 10102120121021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8407685959201 + 3604416160900 = 2899601^2 + 1898530^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012102120101 - 226 = 12012035011237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012102120181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006051060050 + 6006051060051.

It is an arithmetic number, because the mean of its divisors is an integer number (6006051060051).

Almost surely, 212012102120101 is an apocalyptic number.

It is an amenable number.

12012102120101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012102120101 is an equidigital number, since it uses as much as digits as its factorization.

12012102120101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12012102120101 its reverse (10102120121021), we get a palindrome (22114222241122).

The spelling of 12012102120101 in words is "twelve trillion, twelve billion, one hundred two million, one hundred twenty thousand, one hundred one".