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12133223233 is a prime number
BaseRepresentation
bin10110100110011001…
…00100101101000001
31011022120210121021021
423103030210231001
5144322101120413
65323545025441
7606446460445
oct132314445501
934276717237
1012133223233
11516698521a
122427485281
1311b493b441
148315ba825
154b02d918d
hex2d3324b41

12133223233 has 2 divisors, whose sum is σ = 12133223234. Its totient is φ = 12133223232.

The previous prime is 12133223231. The next prime is 12133223237. The reversal of 12133223233 is 33232233121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8005417729 + 4127805504 = 89473^2 + 64248^2 .

It is a cyclic number.

It is not a de Polignac number, because 12133223233 - 21 = 12133223231 is a prime.

Together with 12133223231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12133223198 and 12133223207.

It is not a weakly prime, because it can be changed into another prime (12133223231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066611616 + 6066611617.

It is an arithmetic number, because the mean of its divisors is an integer number (6066611617).

Almost surely, 212133223233 is an apocalyptic number.

It is an amenable number.

12133223233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133223233 is an equidigital number, since it uses as much as digits as its factorization.

12133223233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 25.

Adding to 12133223233 its reverse (33232233121), we get a palindrome (45365456354).

The spelling of 12133223233 in words is "twelve billion, one hundred thirty-three million, two hundred twenty-three thousand, two hundred thirty-three".