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312132120030012 = 2236110927191438771
BaseRepresentation
bin100011011111000011110110…
…0001000110010101100111100
31111221011112120010011121201110
41012332013230020302230330
5311402433040211430022
63023503303313042020
7122513541624306342
oct10676075410625474
91457145503147643
10312132120030012
1190500541542377
122b011367556310
1310521c17c7b049
1457113bd2a1992
1526144157b500c
hex11be1ec232b3c

312132120030012 has 96 divisors (see below), whose sum is σ = 747314291046400. Its totient is φ = 101362152211200.

The previous prime is 312132120029969. The next prime is 312132120030043. The reversal of 312132120030012 is 210030021231213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216224187 + ... + 217662957.

Almost surely, 2312132120030012 is an apocalyptic number.

It is an amenable number.

312132120030012 is an abundant number, since it is smaller than the sum of its proper divisors (435182171016388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312132120030012 is a wasteful number, since it uses less digits than its factorization.

312132120030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441667 (or 1441665 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312132120030012 its reverse (210030021231213), we get a palindrome (522162141261225).

The spelling of 312132120030012 in words is "three hundred twelve trillion, one hundred thirty-two billion, one hundred twenty million, thirty thousand, twelve".

Divisors: 1 2 3 4 6 12 61 109 122 183 218 244 327 366 436 654 732 1308 2719 5438 6649 8157 10876 13298 16314 19947 26596 32628 39894 79788 165859 296371 331718 497577 592742 663436 889113 995154 1185484 1438771 1778226 1990308 2877542 3556452 4316313 5755084 8632626 17265252 18078631 36157262 54235893 72314524 87765031 108471786 156826039 175530062 216943572 263295093 313652078 351060124 470478117 526590186 627304156 940956234 1053180372 1881912468 3912018349 7824036698 9566388379 11736055047 15648073396 19132776758 23472110094 28699165137 38265553516 46944220188 57398330274 114796660548 238633119289 426410000041 477266238578 715899357867 852820000082 954532477156 1279230000123 1431798715734 1705640000164 2558460000246 2863597431468 5116920000492 26011010002501 52022020005002 78033030007503 104044040010004 156066060015006 312132120030012