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12132320135 = 513192677717
BaseRepresentation
bin10110100110010010…
…01000001110000111
31011022112002201110012
423103021020032013
5144321333221020
65323513420435
7606436006505
oct132311101607
934275081405
1012132320135
115166418761
12242710a71b
1311b46b3370
14831423675
154b01ab7c5
hex2d3248387

12132320135 has 48 divisors (see below), whose sum is σ = 16796467296. Its totient is φ = 8359946496.

The previous prime is 12132320119. The next prime is 12132320159. The reversal of 12132320135 is 53102323121.

It is not a de Polignac number, because 12132320135 - 24 = 12132320119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12132320135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1568297 + ... + 1576013.

It is an arithmetic number, because the mean of its divisors is an integer number (349926402).

Almost surely, 212132320135 is an apocalyptic number.

12132320135 is a deficient number, since it is larger than the sum of its proper divisors (4664147161).

12132320135 is a wasteful number, since it uses less digits than its factorization.

12132320135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7840 (or 7821 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 12132320135 its reverse (53102323121), we get a palindrome (65234643256).

The spelling of 12132320135 in words is "twelve billion, one hundred thirty-two million, three hundred twenty thousand, one hundred thirty-five".

Divisors: 1 5 13 19 65 67 95 247 335 361 871 1235 1273 1805 4355 4693 6365 7717 16549 23465 24187 38585 82745 100321 120935 146623 314431 501605 517039 733115 1572155 1906099 2585195 2785837 6721507 9530495 9823741 13929185 33607535 36215881 49118705 127708633 181079405 186651079 638543165 933255395 2426464027 12132320135