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12312110012 = 2267203922531
BaseRepresentation
bin10110111011101101…
…11110001110111100
31011210001101222210112
423131312332032330
5200203400010022
65353415125152
7614051131316
oct133566761674
934701358715
1012312110012
115248957534
1224773737b8
131212a126c7
1484b2647b6
154c0d728e2
hex2dddbe3bc

12312110012 has 24 divisors (see below), whose sum is σ = 21879473280. Its totient is φ = 6060930480.

The previous prime is 12312109963. The next prime is 12312110021. The reversal of 12312110012 is 21001121321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535187 + ... + 557717.

It is an arithmetic number, because the mean of its divisors is an integer number (911644720).

Almost surely, 212312110012 is an apocalyptic number.

It is an amenable number.

12312110012 is a deficient number, since it is larger than the sum of its proper divisors (9567363268).

12312110012 is a wasteful number, since it uses less digits than its factorization.

12312110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24641 (or 24639 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12312110012 its reverse (21001121321), we get a palindrome (33313231333).

The spelling of 12312110012 in words is "twelve billion, three hundred twelve million, one hundred ten thousand, twelve".

Divisors: 1 2 4 67 134 268 2039 4078 8156 22531 45062 90124 136613 273226 546452 1509577 3019154 6038308 45940709 91881418 183762836 3078027503 6156055006 12312110012