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212212020373 is a prime number
BaseRepresentation
bin1100010110100011010…
…0100111010010010101
3202021202102100121010021
43011220310213102111
511434102234122443
6241253332025141
721221545260643
oct3055064472225
9667672317107
10212212020373
1181aa9175921
12351654621b1
131701c389332
14a3b1d30193
1557c06259ed
hex3168d27495

212212020373 has 2 divisors, whose sum is σ = 212212020374. Its totient is φ = 212212020372.

The previous prime is 212212020311. The next prime is 212212020379. The reversal of 212212020373 is 373020212212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193883463684 + 18328556689 = 440322^2 + 135383^2 .

It is a cyclic number.

It is not a de Polignac number, because 212212020373 - 229 = 211675149461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212212020379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106010186 + 106106010187.

It is an arithmetic number, because the mean of its divisors is an integer number (106106010187).

Almost surely, 2212212020373 is an apocalyptic number.

It is an amenable number.

212212020373 is a deficient number, since it is larger than the sum of its proper divisors (1).

212212020373 is an equidigital number, since it uses as much as digits as its factorization.

212212020373 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 25.

Adding to 212212020373 its reverse (373020212212), we get a palindrome (585232232585).

The spelling of 212212020373 in words is "two hundred twelve billion, two hundred twelve million, twenty thousand, three hundred seventy-three".