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212333030222087 is a prime number
BaseRepresentation
bin110000010001110110100010…
…110101110010100100000111
31000211210211122221211022201202
4300101312202311302210013
5210312331021214101322
62031332240353013115
762503361300446235
oct6021664265624407
91024724587738652
10212333030222087
1161723a29060155
121b99369225419b
139162bc38a8a78
143a60d8b3c1955
15198340930b292
hexc11da2d72907

212333030222087 has 2 divisors, whose sum is σ = 212333030222088. Its totient is φ = 212333030222086.

The previous prime is 212333030222077. The next prime is 212333030222213. The reversal of 212333030222087 is 780222030333212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212333030222087 - 26 = 212333030222023 is a prime.

It is a super-2 number, since 2×2123330302220872 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212333030222087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212333030222077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166515111043 + 106166515111044.

It is an arithmetic number, because the mean of its divisors is an integer number (106166515111044).

Almost surely, 2212333030222087 is an apocalyptic number.

212333030222087 is a deficient number, since it is larger than the sum of its proper divisors (1).

212333030222087 is an equidigital number, since it uses as much as digits as its factorization.

212333030222087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 38.

Adding to 212333030222087 its reverse (780222030333212), we get a palindrome (992555060555299).

The spelling of 212333030222087 in words is "two hundred twelve trillion, three hundred thirty-three billion, thirty million, two hundred twenty-two thousand, eighty-seven".