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12212010022020 = 22351911639210911
BaseRepresentation
bin1011000110110101010010…
…0001001111010010000100
31121020110022222100010021020
42301231110201033102010
53100040144031201040
641550041524351140
72400200664323664
oct261552441172204
947213288303236
1012212010022020
1139890a2322336
1214529295454b0
136a7783c72163
143030c8b6a1a4
151629e0944cd0
hexb1b5484f484

12212010022020 has 96 divisors (see below), whose sum is σ = 36024245268480. Its totient is φ = 3082486296960.

The previous prime is 12212010022013. The next prime is 12212010022081. The reversal of 12212010022020 is 2022001021221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3279636 + ... + 5931275.

It is an arithmetic number, because the mean of its divisors is an integer number (375252554880).

Almost surely, 212212010022020 is an apocalyptic number.

12212010022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212010022020 is an abundant number, since it is smaller than the sum of its proper divisors (23812235246460).

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

12212010022020 is a wasteful number, since it uses less digits than its factorization.

12212010022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212105 (or 9212103 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12212010022020 its reverse (2022001021221), we get a palindrome (14234011043241).

The spelling of 12212010022020 in words is "twelve trillion, two hundred twelve billion, ten million, twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 1163 2326 3489 4652 5815 6978 11630 13956 17445 22097 23260 34890 44194 66291 69780 88388 110485 132582 220970 265164 331455 441940 662910 1325820 9210911 18421822 27632733 36843644 46054555 55265466 92109110 110530932 138163665 175007309 184218220 276327330 350014618 525021927 552654660 700029236 875036545 1050043854 1750073090 2100087708 2625109635 3500146180 5250219270 10500438540 10712289493 21424578986 32136868479 42849157972 53561447465 64273736958 107122894930 128547473916 160684342395 203533500367 214245789860 321368684790 407067000734 610600501101 642737369580 814134001468 1017667501835 1221201002202 2035335003670 2442402004404 3053002505505 4070670007340 6106005011010 12212010022020