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12222201022201 is a prime number
BaseRepresentation
bin1011000111011011001111…
…1100110100011011111001
31121021102122012111120101101
42301312303330310123321
53100222031430202301
641554445053051401
72401011351360532
oct261666374643371
947242565446341
1012222201022201
113992451932635
1214548b2486b61
136a87193b5391
143037b440b689
15162dda480701
hexb1db3f346f9

12222201022201 has 2 divisors, whose sum is σ = 12222201022202. Its totient is φ = 12222201022200.

The previous prime is 12222201022181. The next prime is 12222201022217. The reversal of 12222201022201 is 10222010222221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8129769125625 + 4092431896576 = 2851275^2 + 2022976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12222201022201 is a prime.

It is not a weakly prime, because it can be changed into another prime (12222201022261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111100511100 + 6111100511101.

It is an arithmetic number, because the mean of its divisors is an integer number (6111100511101).

Almost surely, 212222201022201 is an apocalyptic number.

It is an amenable number.

12222201022201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222201022201 is an equidigital number, since it uses as much as digits as its factorization.

12222201022201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12222201022201 its reverse (10222010222221), we get a palindrome (22444211244422).

The spelling of 12222201022201 in words is "twelve trillion, two hundred twenty-two billion, two hundred one million, twenty-two thousand, two hundred one".