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12202021102220 = 2254728345868811
BaseRepresentation
bin1011000110010000000100…
…1000100010001010001100
31121012111112211102102022122
42301210001020202022030
53044404214400232340
641541310415232112
72366365313030555
oct261440110421214
947174484372278
1012202021102220
113984936896014
121450a00218638
136a6851664121
1430281c28d32c
15162608a24db5
hexb190122228c

12202021102220 has 48 divisors (see below), whose sum is σ = 26261913097728. Its totient is φ = 4760081626560.

The previous prime is 12202021102217. The next prime is 12202021102253. The reversal of 12202021102220 is 2220112020221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22668386 + ... + 23200425.

It is an arithmetic number, because the mean of its divisors is an integer number (547123189536).

Almost surely, 212202021102220 is an apocalyptic number.

12202021102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202021102220 is an abundant number, since it is smaller than the sum of its proper divisors (14059891995508).

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

12202021102220 is a wasteful number, since it uses less digits than its factorization.

12202021102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45869150 (or 45869148 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12202021102220 its reverse (2220112020221), we get a palindrome (14422133122441).

The spelling of 12202021102220 in words is "twelve trillion, two hundred two billion, twenty-one million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 283 470 566 940 1132 1415 2830 5660 13301 26602 53204 66505 133010 266020 45868811 91737622 183475244 229344055 458688110 917376220 2155834117 4311668234 8623336468 10779170585 12980873513 21558341170 25961747026 43116682340 51923494052 64904367565 129808735130 259617470260 610101055111 1220202110222 2440404220444 3050505275555 6101010551110 12202021102220