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12108291259231 is a prime number
BaseRepresentation
bin1011000000110010111001…
…1001100011101101011111
31120212112121122012001111101
42300030232121203231133
53041340240030243411
641430245555333531
72356536513354316
oct260145631435537
946775548161441
1012108291259231
113949108831762
1214368022b12a7
1369aa64b9c87b
142dc089c8327d
1515ee6eed98c1
hexb032e663b5f

12108291259231 has 2 divisors, whose sum is σ = 12108291259232. Its totient is φ = 12108291259230.

The previous prime is 12108291259121. The next prime is 12108291259271. The reversal of 12108291259231 is 13295219280121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12108291259231 is a prime.

It is a super-2 number, since 2×121082912592312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12108291259271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6054145629615 + 6054145629616.

It is an arithmetic number, because the mean of its divisors is an integer number (6054145629616).

Almost surely, 212108291259231 is an apocalyptic number.

12108291259231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12108291259231 is an equidigital number, since it uses as much as digits as its factorization.

12108291259231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 12108291259231 in words is "twelve trillion, one hundred eight billion, two hundred ninety-one million, two hundred fifty-nine thousand, two hundred thirty-one".