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2012212120097 is a prime number
BaseRepresentation
bin11101010010000001001…
…100000100101000100001
321010100212112002211101102
4131102001030010220201
5230432002300320342
64140221505044145
7265243330545524
oct35220114045041
97110775084342
102012212120097
11706413313423
12285b91926655
1311799b637a3a
146d56a726bbb
153752019d832
hex1d481304a21

2012212120097 has 2 divisors, whose sum is σ = 2012212120098. Its totient is φ = 2012212120096.

The previous prime is 2012212120049. The next prime is 2012212120117. The reversal of 2012212120097 is 7900212122102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1856667859216 + 155544260881 = 1362596^2 + 394391^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012212120097 - 26 = 2012212120033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012212129097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006106060048 + 1006106060049.

It is an arithmetic number, because the mean of its divisors is an integer number (1006106060049).

Almost surely, 22012212120097 is an apocalyptic number.

It is an amenable number.

2012212120097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012212120097 is an equidigital number, since it uses as much as digits as its factorization.

2012212120097 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 29.

Adding to 2012212120097 its reverse (7900212122102), we get a palindrome (9912424242199).

The spelling of 2012212120097 in words is "two trillion, twelve billion, two hundred twelve million, one hundred twenty thousand, ninety-seven".