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12013003013000 = 2353117549144667
BaseRepresentation
bin1010111011001111111011…
…0001101111101110001000
31120112102122211112121022112
42232303332301233232020
53033310112232404000
641314410345441452
72346624261546263
oct256637661575610
946472584477275
1012013003013000
113911760027a40
12142024a4a0288
13691a8a5a7b12
142d760a8cdcda
1515c74476a235
hexaecfec6fb88

12013003013000 has 128 divisors (see below), whose sum is σ = 30670194672000. Its totient is φ = 4367755872000.

The previous prime is 12013003012993. The next prime is 12013003013009. The reversal of 12013003013000 is 31030031021.

It is not an unprimeable number, because it can be changed into a prime (12013003013009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82966667 + ... + 83111333.

It is an arithmetic number, because the mean of its divisors is an integer number (239610895875).

Almost surely, 212013003013000 is an apocalyptic number.

12013003013000 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 12013003013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15335097336000).

12013003013000 is an abundant number, since it is smaller than the sum of its proper divisors (18657191659000).

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

12013003013000 is a wasteful number, since it uses less digits than its factorization.

12013003013000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152248 (or 152234 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 12013003013000 its reverse (31030031021), we get a palindrome (12044033044021).

The spelling of 12013003013000 in words is "twelve trillion, thirteen billion, three million, thirteen thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2750 5500 7549 11000 15098 30196 37745 60392 75490 83039 144667 150980 166078 188725 289334 301960 332156 377450 415195 578668 664312 723335 754900 830390 943625 1157336 1446670 1509800 1591337 1660780 1887250 2075975 2893340 3182674 3321560 3616675 3774500 4151950 5786680 6365348 7233350 7549000 7956685 8303900 10379875 12730696 14466700 15913370 16607800 18083375 20759750 28933400 31826740 36166750 39783425 41519500 63653480 72333500 79566850 83039000 144667000 159133700 198917125 318267400 397834250 795668500 1092091183 1591337000 2184182366 4368364732 5460455915 8736729464 10920911830 12013003013 21841823660 24026006026 27302279575 43683647320 48052012052 54604559150 60065015065 96104024104 109209118300 120130030130 136511397875 218418236600 240260060260 273022795750 300325075325 480520120520 546045591500 600650150650 1092091183000 1201300301300 1501625376625 2402600602600 3003250753250 6006501506500 12013003013000