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12222110120197 is a prime number
BaseRepresentation
bin1011000111011010111010…
…0010000011100100000101
31121021102101212110021021111
42301312232202003210011
53100221340142321242
641554432044445021
72401006165620235
oct261665642034405
947242355407244
1012222110120197
11399240559560a
121454887b49771
136a8703608a03
143037a6307cc5
15162dd24c6817
hexb1dae883905

12222110120197 has 2 divisors, whose sum is σ = 12222110120198. Its totient is φ = 12222110120196.

The previous prime is 12222110120191. The next prime is 12222110120237. The reversal of 12222110120197 is 79102101122221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11156361532996 + 1065748587201 = 3340114^2 + 1032351^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222110120197 - 219 = 12222109595909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222110120191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111055060098 + 6111055060099.

It is an arithmetic number, because the mean of its divisors is an integer number (6111055060099).

Almost surely, 212222110120197 is an apocalyptic number.

It is an amenable number.

12222110120197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222110120197 is an equidigital number, since it uses as much as digits as its factorization.

12222110120197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 12222110120197 in words is "twelve trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty thousand, one hundred ninety-seven".