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12204044040220 = 2251955757658717
BaseRepresentation
bin1011000110010111100110…
…1101011011100000011100
31121012200202210221022120021
42301211321231123200130
53044422340233241340
641542243242001524
72366466405516154
oct261457155334034
947180683838507
1012204044040220
11398578477a2aa
1214512857a62a4
136a6ab47acc66
14302970bd9764
151626c6418e4a
hexb1979b5b81c

12204044040220 has 48 divisors (see below), whose sum is σ = 27025794300960. Its totient is φ = 4616387437824.

The previous prime is 12204044040187. The next prime is 12204044040257. The reversal of 12204044040220 is 2204044040221.

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 15 ways as a sum of consecutive naturals, for example, 28617699 + ... + 29041018.

It is an arithmetic number, because the mean of its divisors is an integer number (563037381270).

Almost surely, 212204044040220 is an apocalyptic number.

12204044040220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12204044040220 is an abundant number, since it is smaller than the sum of its proper divisors (14821750260740).

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

12204044040220 is a wasteful number, since it uses less digits than its factorization.

12204044040220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57659302 (or 57659300 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 12204044040220 its reverse (2204044040221), we get a palindrome (14408088080441).

Subtracting from 12204044040220 its reverse (2204044040221), we obtain a palindrome (9999999999999).

The spelling of 12204044040220 in words is "twelve trillion, two hundred four billion, forty-four million, forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 557 1114 2228 2785 5570 10583 11140 21166 42332 52915 105830 211660 57658717 115317434 230634868 288293585 576587170 1095515623 1153174340 2191031246 4382062492 5477578115 10955156230 21910312460 32115905369 64231810738 128463621476 160579526845 321159053690 610202202011 642318107380 1220404404022 2440808808044 3051011010055 6102022020110 12204044040220