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1212211001033 is a prime number
BaseRepresentation
bin10001101000111101011…
…001111111011011001001
311021212221001212020022222
4101220331121333123021
5124330102004013113
62324514304423425
7153402501333104
oct21507531773311
94255831766288
101212211001033
1142810656498a
12176b27017b75
138a407388bc6
144295818d73b
15217ebc39e08
hex11a3d67f6c9

1212211001033 has 2 divisors, whose sum is σ = 1212211001034. Its totient is φ = 1212211001032.

The previous prime is 1212211000901. The next prime is 1212211001047. The reversal of 1212211001033 is 3301001122121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1161366162889 + 50844838144 = 1077667^2 + 225488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212211001033 - 212 = 1212210996937 is a prime.

It is a super-2 number, since 2×12122110010332 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212211091033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105500516 + 606105500517.

It is an arithmetic number, because the mean of its divisors is an integer number (606105500517).

Almost surely, 21212211001033 is an apocalyptic number.

It is an amenable number.

1212211001033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212211001033 is an equidigital number, since it uses as much as digits as its factorization.

1212211001033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1212211001033 its reverse (3301001122121), we get a palindrome (4513212123154).

The spelling of 1212211001033 in words is "one trillion, two hundred twelve billion, two hundred eleven million, one thousand, thirty-three".