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212201212201001 is a prime number
BaseRepresentation
bin110000001111111011110001…
…110111111100100000101001
31000211100020102022222001000122
4300033323301313330200221
5210303201040310413001
62031151520251213025
762461013566656662
oct6017736167744051
91024306368861018
10212201212201001
1161683035238961
121b972024747175
13915364717471a
143a588446ac369
15197ec91a7eb1b
hexc0fef1dfc829

212201212201001 has 2 divisors, whose sum is σ = 212201212201002. Its totient is φ = 212201212201000.

The previous prime is 212201212200937. The next prime is 212201212201003. The reversal of 212201212201001 is 100102212102212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155013057779776 + 57188154421225 = 12450424^2 + 7562285^2 .

It is a cyclic number.

It is not a de Polignac number, because 212201212201001 - 26 = 212201212200937 is a prime.

Together with 212201212201003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212201212201003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100606100500 + 106100606100501.

It is an arithmetic number, because the mean of its divisors is an integer number (106100606100501).

Almost surely, 2212201212201001 is an apocalyptic number.

It is an amenable number.

212201212201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201212201001 is an equidigital number, since it uses as much as digits as its factorization.

212201212201001 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 212201212201001 its reverse (100102212102212), we get a palindrome (312303424303213).

The spelling of 212201212201001 in words is "two hundred twelve trillion, two hundred one billion, two hundred twelve million, two hundred one thousand, one".