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12022121222010 = 2325440930296921
BaseRepresentation
bin1010111011110001111001…
…0000111100111101111010
31120120022012022001121121100
42232330132100330331322
53033432301013101020
641322515232352230
72350366241212104
oct256743620747572
946508168047540
1012022121222010
11391560a017369
121421b740a5676
136928b16a5a73
142d7c338b6574
1515cac9ee6a90
hexaef1e43cf7a

12022121222010 has 48 divisors (see below), whose sum is σ = 31264605688680. Its totient is φ = 3205171760640.

The previous prime is 12022121221949. The next prime is 12022121222053. The reversal of 12022121222010 is 1022212122021.

It is a happy number.

12022121222010 is a `hidden beast` number, since 1 + 2 + 0 + 221 + 212 + 220 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3457736531001 + 8564384691009 = 1859499^2 + 2926497^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14751651 + ... + 15545270.

Almost surely, 212022121222010 is an apocalyptic number.

12022121222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12022121222010 is an abundant number, since it is smaller than the sum of its proper divisors (19242484466670).

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

12022121222010 is a wasteful number, since it uses less digits than its factorization.

12022121222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30301343 (or 30301340 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12022121222010 its reverse (1022212122021), we get a palindrome (13044333344031).

The spelling of 12022121222010 in words is "twelve trillion, twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 4409 8818 13227 22045 26454 39681 44090 66135 79362 132270 198405 396810 30296921 60593842 90890763 151484605 181781526 272672289 302969210 454453815 545344578 908907630 1363361445 2726722890 133579124689 267158249378 400737374067 667895623445 801474748134 1202212122201 1335791246890 2003686870335 2404424244402 4007373740670 6011060611005 12022121222010