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12201221201201 is a prime number
BaseRepresentation
bin1011000110001101000101…
…1101001001110100110001
31121012102111002021020101222
42301203101131021310301
53044401100111414301
641541055202434425
72366336431005614
oct261432135116461
947172432236358
1012201221201201
11398456631259a
121450818362a15
136a6754a17306
14302783d4c17b
151625ad6bc31b
hexb18d1749d31

12201221201201 has 2 divisors, whose sum is σ = 12201221201202. Its totient is φ = 12201221201200.

The previous prime is 12201221201171. The next prime is 12201221201231. The reversal of 12201221201201 is 10210212210221.

It is a balanced prime because it is at equal distance from previous prime (12201221201171) and next prime (12201221201231).

It can be written as a sum of positive squares in only one way, i.e., 11729803014400 + 471418186801 = 3424880^2 + 686599^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201221201201 - 230 = 12200147459377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12201221201201.

It is not a weakly prime, because it can be changed into another prime (12201221201231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100610600600 + 6100610600601.

It is an arithmetic number, because the mean of its divisors is an integer number (6100610600601).

Almost surely, 212201221201201 is an apocalyptic number.

It is an amenable number.

12201221201201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201221201201 is an equidigital number, since it uses as much as digits as its factorization.

12201221201201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12201221201201 its reverse (10210212210221), we get a palindrome (22411433411422).

The spelling of 12201221201201 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, two hundred one thousand, two hundred one".