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12312331132100 = 22526731744912911
BaseRepresentation
bin1011001100101011000000…
…0111111001110011000100
31121121001021112012112201212
42303022300013321303010
53103211123232211400
642104112402110552
72410352020563326
oct263126007716304
947531245175655
1012312331132100
113a176a2a4016a
12146a26694b458
136b408116115c
14307cc46d7616
15165412e5d335
hexb32b01f9cc4

12312331132100 has 144 divisors (see below), whose sum is σ = 27264767443200. Its totient is φ = 4824977203200.

The previous prime is 12312331132091. The next prime is 12312331132121. The reversal of 12312331132100 is 123113321321.

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, 953624645 + ... + 953637555.

It is an arithmetic number, because the mean of its divisors is an integer number (189338662800).

Almost surely, 212312331132100 is an apocalyptic number.

12312331132100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12312331132100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13632383721600).

12312331132100 is an abundant number, since it is smaller than the sum of its proper divisors (14952436311100).

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

12312331132100 is a wasteful number, since it uses less digits than its factorization.

12312331132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13758 (or 13751 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12312331132100 its reverse (123113321321), we get a palindrome (12435444453421).

The spelling of 12312331132100 in words is "twelve trillion, three hundred twelve billion, three hundred thirty-one million, one hundred thirty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 67 100 134 268 317 335 449 634 670 898 1268 1340 1585 1675 1796 2245 3170 3350 4490 6340 6700 7925 8980 11225 12911 15850 21239 22450 25822 30083 31700 42478 44900 51644 60166 64555 84956 106195 120332 129110 142333 150415 212390 258220 284666 300830 322775 424780 530975 569332 601660 645550 711665 752075 865037 1061950 1291100 1423330 1504150 1730074 2123900 2846660 3008300 3460148 3558325 4092787 4325185 5797039 7116650 8185574 8650370 9536311 11594078 14233300 16371148 17300740 19072622 20463935 21625925 23188156 28985195 38145244 40927870 43251850 47681555 57970390 81855740 86503700 95363110 102319675 115940780 144925975 190726220 204639350 238407775 274216729 289851950 388401613 409278700 476815550 548433458 579703900 776803226 953631100 1096866916 1371083645 1553606452 1837661363 1942008065 2742167290 3675322726 3884016130 5484334580 6855418225 7350645452 7768032260 9188306815 9710040325 13710836450 18376613630 19420080650 27421672900 36753227260 38840161300 45941534075 91883068150 123123311321 183766136300 246246622642 492493245284 615616556605 1231233113210 2462466226420 3078082783025 6156165566050 12312331132100