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12101010211000 = 235317976078887
BaseRepresentation
bin1011000000010111110001…
…1010100100000010111000
31120211211211012121111000101
42300011330122210002320
53041230332103223000
641423043301245144
72356161212440414
oct260057432440270
946754735544011
1012101010211000
113946011878427
12143530ba037b4
1369a1745a30c9
142db998c87d44
1515eb95ba6e6a
hexb017c6a40b8

12101010211000 has 128 divisors (see below), whose sum is σ = 28481503564800. Its totient is φ = 4812188419200.

The previous prime is 12101010210983. The next prime is 12101010211009. The reversal of 12101010211000 is 11201010121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101010211009) 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, 1361648557 + ... + 1361657443.

It is an arithmetic number, because the mean of its divisors is an integer number (222511746600).

Almost surely, 212101010211000 is an apocalyptic number.

12101010211000 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 12101010211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14240751782400).

12101010211000 is an abundant number, since it is smaller than the sum of its proper divisors (16380493353800).

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

12101010211000 is a wasteful number, since it uses less digits than its factorization.

12101010211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16694 (or 16680 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12101010211000 its reverse (11201010121), we get a palindrome (12112211221121).

The spelling of 12101010211000 in words is "twelve trillion, one hundred one billion, ten million, two hundred eleven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 179 200 250 358 500 716 895 1000 1432 1790 3580 4475 7160 7607 8887 8950 15214 17774 17900 22375 30428 35548 35800 38035 44435 44750 60856 71096 76070 88870 89500 152140 177740 179000 190175 222175 304280 355480 380350 444350 760700 888700 950875 1110875 1361653 1521400 1590773 1777400 1901750 2221750 2723306 3181546 3803500 4443500 5446612 6363092 6808265 7607000 7953865 8887000 10893224 12726184 13616530 15907730 27233060 31815460 34041325 39769325 54466120 63630920 67603409 68082650 79538650 135206818 136165300 159077300 170206625 198846625 270413636 272330600 318154600 338017045 340413250 397693250 540827272 676034090 680826500 795386500 1352068180 1361653000 1590773000 1690085225 2704136360 3380170450 6760340900 8450426125 12101010211 13520681800 16900852250 24202020422 33801704500 48404040844 60505051055 67603409000 96808081688 121010102110 242020204220 302525255275 484040408440 605050510550 1210101021100 1512626276375 2420202042200 3025252552750 6050505105500 12101010211000