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12312230112312 = 23313172321310353
BaseRepresentation
bin1011001100101010101000…
…0110100010110000111000
31121121001000111010012122020
42303022222012202300320
53103210421402043222
642104054352554440
72410346353123104
oct263125206426070
947531014105566
1012312230112312
113a17650a12539
12146a238b52a20
136b4066251430
14307cb511c904
1516540915665c
hexb32aa1a2c38

12312230112312 has 64 divisors (see below), whose sum is σ = 35098212552480. Its totient is φ = 3565532700672.

The previous prime is 12312230112283. The next prime is 12312230112341. The reversal of 12312230112312 is 21321103221321.

It is an interprime number because it is at equal distance from previous prime (12312230112283) and next prime (12312230112341).

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160649873 + ... + 1160660480.

Almost surely, 212312230112312 is an apocalyptic number.

12312230112312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12312230112312 is an abundant number, since it is smaller than the sum of its proper divisors (22785982440168).

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

12312230112312 is a wasteful number, since it uses less digits than its factorization.

12312230112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321310392 (or 2321310388 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12312230112312 its reverse (21321103221321), we get a palindrome (33633333333633).

The spelling of 12312230112312 in words is "twelve trillion, three hundred twelve billion, two hundred thirty million, one hundred twelve thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 17 24 26 34 39 51 52 68 78 102 104 136 156 204 221 312 408 442 663 884 1326 1768 2652 5304 2321310353 4642620706 6963931059 9285241412 13927862118 18570482824 27855724236 30177034589 39462276001 55711448472 60354069178 78924552002 90531103767 118386828003 120708138356 157849104004 181062207534 236773656006 241416276712 315698208008 362124415068 473547312012 513009588013 724248830136 947094624024 1026019176026 1539028764039 2052038352052 3078057528078 4104076704104 6156115056156 12312230112312