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12112064149 is a prime number
BaseRepresentation
bin10110100011110111…
…10110111010010101
31011021002222121110111
423101323312322111
5144301142023044
65321511323021
7606101563243
oct132173667225
934232877414
1012112064149
115155a43079
122420380471
1311b0440583
1482c86d793
154ad509b34
hex2d1ef6e95

12112064149 has 2 divisors, whose sum is σ = 12112064150. Its totient is φ = 12112064148.

The previous prime is 12112064143. The next prime is 12112064191. The reversal of 12112064149 is 94146021121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11139747025 + 972317124 = 105545^2 + 31182^2 .

It is an emirp because it is prime and its reverse (94146021121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12112064149 - 227 = 11977846421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12112064149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112064143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056032074 + 6056032075.

It is an arithmetic number, because the mean of its divisors is an integer number (6056032075).

Almost surely, 212112064149 is an apocalyptic number.

It is an amenable number.

12112064149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112064149 is an equidigital number, since it uses as much as digits as its factorization.

12112064149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 12112064149 in words is "twelve billion, one hundred twelve million, sixty-four thousand, one hundred forty-nine".