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12112203331 is a prime number
BaseRepresentation
bin10110100011111000…
…11000111001000011
31011021010020200101101
423101330120321003
5144301211001311
65321514315231
7606103013104
oct132174307103
934233220341
1012112203331
1151560286a8
122420428b17
1311b048ba27
1482c8a83ab
154ad535ec1
hex2d1f18e43

12112203331 has 2 divisors, whose sum is σ = 12112203332. Its totient is φ = 12112203330.

The previous prime is 12112203329. The next prime is 12112203343. The reversal of 12112203331 is 13330221121.

12112203331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12112203331 - 21 = 12112203329 is a prime.

It is a super-2 number, since 2×121122033312 (a number of 21 digits) contains 22 as substring.

Together with 12112203329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12112203299 and 12112203308.

It is not a weakly prime, because it can be changed into another prime (12112201331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056101665 + 6056101666.

It is an arithmetic number, because the mean of its divisors is an integer number (6056101666).

Almost surely, 212112203331 is an apocalyptic number.

12112203331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112203331 is an equidigital number, since it uses as much as digits as its factorization.

12112203331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12112203331 its reverse (13330221121), we get a palindrome (25442424452).

The spelling of 12112203331 in words is "twelve billion, one hundred twelve million, two hundred three thousand, three hundred thirty-one".