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122213212201 is a prime number
BaseRepresentation
bin111000111010001111…
…0011010000000101001
3102200110020201102212201
41301310132122000221
54000243040242301
6132051033140201
711554362110053
oct1616436320051
9380406642781
10122213212201
1147915199213
121b828b5a661
13b6a88936a2
145cb52628d3
1532a4432201
hex1c7479a029

122213212201 has 2 divisors, whose sum is σ = 122213212202. Its totient is φ = 122213212200.

The previous prime is 122213212181. The next prime is 122213212259. The reversal of 122213212201 is 102212312221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105482048400 + 16731163801 = 324780^2 + 129349^2 .

It is a cyclic number.

It is not a de Polignac number, because 122213212201 - 25 = 122213212169 is a prime.

It is not a weakly prime, because it can be changed into another prime (122213212301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106606100 + 61106606101.

It is an arithmetic number, because the mean of its divisors is an integer number (61106606101).

Almost surely, 2122213212201 is an apocalyptic number.

It is an amenable number.

122213212201 is a deficient number, since it is larger than the sum of its proper divisors (1).

122213212201 is an equidigital number, since it uses as much as digits as its factorization.

122213212201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122213212201 its reverse (102212312221), we get a palindrome (224425524422).

The spelling of 122213212201 in words is "one hundred twenty-two billion, two hundred thirteen million, two hundred twelve thousand, two hundred one".