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12212102202089 is a prime number
BaseRepresentation
bin1011000110110101101000…
…0000111000001011101001
31121020110120101210100112212
42301231122000320023221
53100040341130431324
641550055020214505
72400203163666356
oct261553200701351
947213511710485
1012212102202089
11398913a362609
12145295439a435
136a779a0a848a
143030d70c362d
151629e8aa270e
hexb1b5a0382e9

12212102202089 has 2 divisors, whose sum is σ = 12212102202090. Its totient is φ = 12212102202088.

The previous prime is 12212102202073. The next prime is 12212102202121. The reversal of 12212102202089 is 98020220121221.

It is an a-pointer prime, because the next prime (12212102202121) can be obtained adding 12212102202089 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11029924403689 + 1182177798400 = 3321133^2 + 1087280^2 .

It is an emirp because it is prime and its reverse (98020220121221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12212102202089 - 24 = 12212102202073 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212102202389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106051101044 + 6106051101045.

It is an arithmetic number, because the mean of its divisors is an integer number (6106051101045).

Almost surely, 212212102202089 is an apocalyptic number.

It is an amenable number.

12212102202089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212102202089 is an equidigital number, since it uses as much as digits as its factorization.

12212102202089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 12212102202089 in words is "twelve trillion, two hundred twelve billion, one hundred two million, two hundred two thousand, eighty-nine".