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12212020202200 = 2352713670990121
BaseRepresentation
bin1011000110110101010100…
…1000000100101011011000
31121020110100200111022211221
42301231111020010223120
53100040204132432300
641550042530501424
72400201150003550
oct261552510045330
947213320438757
1012212020202200
1139890a8045905
121452930a34874
136a77860c7a30
143030ca25a160
151629e17a631a
hexb1b55204ad8

12212020202200 has 96 divisors (see below), whose sum is σ = 34945165553760. Its totient is φ = 3864903091200.

The previous prime is 12212020202141. The next prime is 12212020202227. The reversal of 12212020202200 is 220202021221.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 335476861 + ... + 335513260.

It is an arithmetic number, because the mean of its divisors is an integer number (364012141185).

Almost surely, 212212020202200 is an apocalyptic number.

12212020202200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212020202200 is an abundant number, since it is smaller than the sum of its proper divisors (22733145351560).

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

12212020202200 is a wasteful number, since it uses less digits than its factorization.

12212020202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670990157 (or 670990148 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12212020202200 its reverse (220202021221), we get a palindrome (12432222223421).

The spelling of 12212020202200 in words is "twelve trillion, two hundred twelve billion, twenty million, two hundred two thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 13 14 20 25 26 28 35 40 50 52 56 65 70 91 100 104 130 140 175 182 200 260 280 325 350 364 455 520 650 700 728 910 1300 1400 1820 2275 2600 3640 4550 9100 18200 670990121 1341980242 2683960484 3354950605 4696930847 5367920968 6709901210 8722871573 9393861694 13419802420 16774753025 17445743146 18787723388 23484654235 26839604840 33549506050 34891486292 37575446776 43614357865 46969308470 61060101011 67099012100 69782972584 87228715730 93938616940 117423271175 122120202022 134198024200 174457431460 187877233880 218071789325 234846542350 244240404044 305300505055 348914862920 436143578650 469693084700 488480808088 610601010110 872287157300 939386169400 1221202020220 1526502525275 1744574314600 2442404040440 3053005050550 6106010101100 12212020202200