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12112222122127 is a prime number
BaseRepresentation
bin1011000001000001100010…
…1100100111000010001111
31120212220202120210120200001
42300100120230213002033
53041421312330402002
641432140015345131
72360036104220101
oct260203054470217
946786676716601
1012112222122127
11394a845694186
12143751a8221a7
1369b24039544a
142dc33dd5b571
15160100154a87
hexb0418b2708f

12112222122127 has 2 divisors, whose sum is σ = 12112222122128. Its totient is φ = 12112222122126.

The previous prime is 12112222122107. The next prime is 12112222122139. The reversal of 12112222122127 is 72122122221121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12112222122127 - 235 = 12077862383759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12112222122095 and 12112222122104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112222122107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056111061063 + 6056111061064.

It is an arithmetic number, because the mean of its divisors is an integer number (6056111061064).

Almost surely, 212112222122127 is an apocalyptic number.

12112222122127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112222122127 is an equidigital number, since it uses as much as digits as its factorization.

12112222122127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 28.

Adding to 12112222122127 its reverse (72122122221121), we get a palindrome (84234344343248).

The spelling of 12112222122127 in words is "twelve trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-seven".