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12312141111 = 3212710771777
BaseRepresentation
bin10110111011101110…
…00101110100110111
31011210001110120110100
423131313011310313
5200203402003421
65353415525143
7614051321064
oct133567056467
934701416410
1012312141111
115248978936
1224773897b3
131212a238ca
1484b271c6b
154c0d7bc26
hex2dddc5d37

12312141111 has 12 divisors (see below), whose sum is σ = 17924238592. Its totient is φ = 8143462656.

The previous prime is 12312141059. The next prime is 12312141143. The reversal of 12312141111 is 11114121321.

12312141111 is a `hidden beast` number, since 1 + 231 + 21 + 411 + 1 + 1 = 666.

It is not a de Polignac number, because 12312141111 - 27 = 12312140983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312141811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5384746 + ... + 5387031.

Almost surely, 212312141111 is an apocalyptic number.

12312141111 is a deficient number, since it is larger than the sum of its proper divisors (5612097481).

12312141111 is a wasteful number, since it uses less digits than its factorization.

12312141111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10771910 (or 10771907 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

Adding to 12312141111 its reverse (11114121321), we get a palindrome (23426262432).

The spelling of 12312141111 in words is "twelve billion, three hundred twelve million, one hundred forty-one thousand, one hundred eleven".

Divisors: 1 3 9 127 381 1143 10771777 32315331 96945993 1368015679 4104047037 12312141111