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12112100210131 is a prime number
BaseRepresentation
bin1011000001000001000101…
…1011100011010111010011
31120212220110002101210211221
42300100101123203113103
53041421040123211011
641432115542345511
72360033064043405
oct260202133432723
946786402353757
1012112100210131
11394a792896969
1214374a5a2b297
1369b22104c17c
142dc32baa4b75
151600e45c2971
hexb04116e35d3

12112100210131 has 2 divisors, whose sum is σ = 12112100210132. Its totient is φ = 12112100210130.

The previous prime is 12112100210059. The next prime is 12112100210137. The reversal of 12112100210131 is 13101200121121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12112100210131 - 27 = 12112100210003 is a prime.

It is a super-2 number, since 2×121121002101312 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12112100210137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056050105065 + 6056050105066.

It is an arithmetic number, because the mean of its divisors is an integer number (6056050105066).

Almost surely, 212112100210131 is an apocalyptic number.

12112100210131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112100210131 is an equidigital number, since it uses as much as digits as its factorization.

12112100210131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12112100210131 its reverse (13101200121121), we get a palindrome (25213300331252).

The spelling of 12112100210131 in words is "twelve trillion, one hundred twelve billion, one hundred million, two hundred ten thousand, one hundred thirty-one".