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12132101331 = 3271910135423
BaseRepresentation
bin10110100110010000…
…10010110011010011
31011022111200121022100
423103020102303103
5144321304220311
65323505011443
7606434105550
oct132310226323
934274617270
1012132101331
115166289329
122427023b83
1311b46378ac
148313a7a27
154b0166a56
hex2d3212cd3

12132101331 has 24 divisors (see below), whose sum is σ = 21081681920. Its totient is φ = 6567753456.

The previous prime is 12132101297. The next prime is 12132101381. The reversal of 12132101331 is 13310123121.

12132101331 is a `hidden beast` number, since 12 + 1 + 321 + 0 + 1 + 331 = 666.

It is not a de Polignac number, because 12132101331 - 210 = 12132100307 is a prime.

It is a super-2 number, since 2×121321013312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12132101381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5066515 + ... + 5068908.

Almost surely, 212132101331 is an apocalyptic number.

12132101331 is a deficient number, since it is larger than the sum of its proper divisors (8949580589).

12132101331 is a wasteful number, since it uses less digits than its factorization.

12132101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135455 (or 10135452 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12132101331 its reverse (13310123121), we get a palindrome (25442224452).

The spelling of 12132101331 in words is "twelve billion, one hundred thirty-two million, one hundred one thousand, three hundred thirty-one".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 1197 10135423 30406269 70947961 91218807 192573037 212843883 577719111 638531649 1348011259 1733157333 4044033777 12132101331