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12110111020020 = 22351357193271463
BaseRepresentation
bin1011000000111001101011…
…0111011001001111110100
31120212201022110101111000010
42300032122313121033310
53041403001410120040
641431150323220220
72356632561153336
oct260163267311764
946781273344003
1012110111020020
113949961a629a2
12143702b817670
1369ac94bbb1c0
142dc1bd821456
15160029b47e80
hexb039add93f4

12110111020020 has 96 divisors (see below), whose sum is σ = 36517415461632. Its totient is φ = 2980887303168.

The previous prime is 12110111019961. The next prime is 12110111020069. The reversal of 12110111020020 is 2002011101121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12110111019978 and 12110111020005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44474809 + ... + 44746271.

It is an arithmetic number, because the mean of its divisors is an integer number (380389744392).

Almost surely, 212110111020020 is an apocalyptic number.

12110111020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110111020020 is an abundant number, since it is smaller than the sum of its proper divisors (24407304441612).

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

12110111020020 is a wasteful number, since it uses less digits than its factorization.

12110111020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328681 (or 328679 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12110111020020 its reverse (2002011101121), we get a palindrome (14112122121141).

The spelling of 12110111020020 in words is "twelve trillion, one hundred ten billion, one hundred eleven million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 57193 114386 171579 228772 271463 285965 343158 542926 571930 686316 743509 814389 857895 1085852 1143860 1357315 1487018 1628778 1715790 2230527 2714630 2974036 3257556 3431580 3529019 3717545 4071945 4461054 5429260 7058038 7435090 8143890 8922108 10587057 11152635 14116076 14870180 16287780 17645095 21174114 22305270 35290190 42348228 44610540 52935285 70580380 105870570 211741140 15525783359 31051566718 46577350077 62103133436 77628916795 93154700154 155257833590 186309400308 201835183667 232886750385 310515667180 403670367334 465773500770 605505551001 807340734668 931547001540 1009175918335 1211011102002 2018351836670 2422022204004 3027527755005 4036703673340 6055055510010 12110111020020