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12001210220202 = 2377117183234217
BaseRepresentation
bin1010111010100011111111…
…0111110011111010101010
31120111022012222022122210220
42232220333313303322222
53033111434304021302
641305140241150510
72346026114505210
oct256507767637252
946438188278726
1012001210220202
113907759331195
121419ab902b436
1369092b351c08
142d6c0c60ccb0
1515c2a42c94bc
hexaea3fdf3eaa

12001210220202 has 64 divisors (see below), whose sum is σ = 27819432198144. Its totient is φ = 3380411422080.

The previous prime is 12001210220179. The next prime is 12001210220203. The reversal of 12001210220202 is 20202201210021.

It is not an unprimeable number, because it can be changed into a prime (12001210220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51122598 + ... + 51356814.

It is an arithmetic number, because the mean of its divisors is an integer number (434678628096).

Almost surely, 212001210220202 is an apocalyptic number.

12001210220202 is an abundant number, since it is smaller than the sum of its proper divisors (15818221977942).

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

12001210220202 is a wasteful number, since it uses less digits than its factorization.

12001210220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251483.

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

Adding to 12001210220202 its reverse (20202201210021), we get a palindrome (32203411430223).

The spelling of 12001210220202 in words is "twelve trillion, one billion, two hundred ten million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 42 71 142 213 426 497 994 1491 2982 17183 34366 51549 103098 120281 234217 240562 360843 468434 702651 721686 1219993 1405302 1639519 2439986 3279038 3659979 4918557 7319958 8539951 9837114 16629407 17079902 25619853 33258814 49888221 51239706 99776442 116405849 232811698 349217547 698435094 4024550711 8049101422 12073652133 24147304266 28171854977 56343709954 84515564931 169031129862 285743100481 571486200962 857229301443 1714458602886 2000201703367 4000403406734 6000605110101 12001210220202