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12313320120312 = 2332981019218363
BaseRepresentation
bin1011001100101110101100…
…0100100101111111111000
31121121010211110011100111220
42303023223010211333320
53103220134422322222
642104354451352040
72410415360052021
oct263135304457770
947533743140456
1012313320120312
113a180602226a2
12146a4a1bb2620
136b41ab014093
14307d79bb9c48
1516546ebb6b5c
hexb32eb125ff8

12313320120312 has 64 divisors (see below), whose sum is σ = 31845332304000. Its totient is φ = 3962840563584.

The previous prime is 12313320120307. The next prime is 12313320120329. The reversal of 12313320120312 is 21302102331321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56280043 + ... + 56498405.

It is an arithmetic number, because the mean of its divisors is an integer number (497583317250).

Almost surely, 212313320120312 is an apocalyptic number.

12313320120312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12313320120312 is an abundant number, since it is smaller than the sum of its proper divisors (19532012183688).

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

12313320120312 is a wasteful number, since it uses less digits than its factorization.

12313320120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299420 (or 299416 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12313320120312 its reverse (21302102331321), we get a palindrome (33615422451633).

The spelling of 12313320120312 in words is "twelve trillion, three hundred thirteen billion, three hundred twenty million, one hundred twenty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 696 81019 162038 218363 243057 324076 436726 486114 648152 655089 873452 972228 1310178 1746904 1944456 2349551 2620356 4699102 5240712 6332527 7048653 9398204 12665054 14097306 18796408 18997581 25330108 28194612 37995162 50660216 56389224 75990324 151980648 17691551897 35383103794 53074655691 70766207588 106149311382 141532415176 212298622764 424597245528 513055005013 1026110010026 1539165015039 2052220020052 3078330030078 4104440040104 6156660060156 12313320120312