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12104132231 is a prime number
BaseRepresentation
bin10110100010111011…
…00110011010000111
31011020120001121220202
423101131212122013
5144242124212411
65321025321115
7605644266152
oct132135463207
934216047822
1012104132231
115151515774
12241979619b
1311ab8c4129
1482b7a6c99
154ac98e83b
hex2d1766687

12104132231 has 2 divisors, whose sum is σ = 12104132232. Its totient is φ = 12104132230.

The previous prime is 12104132213. The next prime is 12104132239. The reversal of 12104132231 is 13223140121.

Together with previous prime (12104132213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12104132231 - 214 = 12104115847 is a prime.

It is a super-2 number, since 2×121041322312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12104132239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052066115 + 6052066116.

It is an arithmetic number, because the mean of its divisors is an integer number (6052066116).

Almost surely, 212104132231 is an apocalyptic number.

12104132231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12104132231 is an equidigital number, since it uses as much as digits as its factorization.

12104132231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12104132231 its reverse (13223140121), we get a palindrome (25327272352).

The spelling of 12104132231 in words is "twelve billion, one hundred four million, one hundred thirty-two thousand, two hundred thirty-one".