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2212222210129 is a prime number
BaseRepresentation
bin100000001100010010101…
…110000001000001010001
321211111010120101010210201
4200030102232001001101
5242221112341211004
64412140355255201
7315553633345531
oct40142256010121
97744116333721
102212222210129
1178321a846398
122b88b08aa501
131307c4a7a739
1479101cb34c1
153c8294676a4
hex20312b81051

2212222210129 has 2 divisors, whose sum is σ = 2212222210130. Its totient is φ = 2212222210128.

The previous prime is 2212222210091. The next prime is 2212222210139. The reversal of 2212222210129 is 9210122222122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1328578969600 + 883643240529 = 1152640^2 + 940023^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212222210129 - 27 = 2212222210001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212222210097 and 2212222210106.

It is not a weakly prime, because it can be changed into another prime (2212222210139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106111105064 + 1106111105065.

It is an arithmetic number, because the mean of its divisors is an integer number (1106111105065).

Almost surely, 22212222210129 is an apocalyptic number.

It is an amenable number.

2212222210129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212222210129 is an equidigital number, since it uses as much as digits as its factorization.

2212222210129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 2212222210129 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, two hundred ten thousand, one hundred twenty-nine".