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12020331322012 = 22131941436900923
BaseRepresentation
bin1010111011101011001110…
…0101000001101010011100
31120120010120120001021101211
42232322303211001222130
53033420114304301022
641322021452514204
72350304005261546
oct256726345015234
946503516037354
1012020331322012
113914880730a72
12142175477b964
13692687910c40
142d7b03cac696
1515ca22cd5e77
hexaeeb3941a9c

12020331322012 has 96 divisors (see below), whose sum is σ = 24995698801920. Its totient is φ = 5008413150720.

The previous prime is 12020331322009. The next prime is 12020331322067. The reversal of 12020331322012 is 21022313302021.

It is a super-3 number, since 3×120203313220123 (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1708618 + ... + 5192305.

It is an arithmetic number, because the mean of its divisors is an integer number (260371862520).

Almost surely, 212020331322012 is an apocalyptic number.

It is an amenable number.

12020331322012 is an abundant number, since it is smaller than the sum of its proper divisors (12975367479908).

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

12020331322012 is a wasteful number, since it uses less digits than its factorization.

12020331322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901043 (or 6901041 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12020331322012 its reverse (21022313302021), we get a palindrome (33042644624033).

The spelling of 12020331322012 in words is "twelve trillion, twenty billion, three hundred thirty-one million, three hundred twenty-two thousand, twelve".

Divisors: 1 2 4 13 19 26 38 41 43 52 76 82 86 164 172 247 494 533 559 779 817 988 1066 1118 1558 1634 1763 2132 2236 3116 3268 3526 7052 10127 10621 20254 21242 22919 33497 40508 42484 45838 66994 91676 133988 435461 870922 1741844 6900923 13801846 27603692 89711999 131117537 179423998 262235074 282937843 296739689 358847996 524470148 565875686 593479378 1131751372 1186958756 1704527981 3409055962 3678191959 3857615957 5375819017 5638054091 6818111924 7356383918 7715231914 10751638034 11276108182 12166327249 14712767836 15430463828 21503276068 22552216364 24332654498 48665308996 69885647221 73294703183 139771294442 146589406366 158162254237 231160217731 279542588884 293178812732 316324508474 462320435462 632649016948 924640870924 3005082830503 6010165661006 12020331322012