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12002012022210 = 2357103955007159
BaseRepresentation
bin1010111010100110111110…
…1010011100010111000010
31120111101021212001102101120
42232221233222130113002
53033120110034202320
641305352002413110
72346055021635330
oct256515752342702
946441255042346
1012002012022210
11390802a992981
12141a0a1661196
13690a284b6082
142d6c86cc6b50
1515c2ee8aa440
hexaea6fa9c5c2

12002012022210 has 64 divisors (see below), whose sum is σ = 32951489126400. Its totient is φ = 2740676640192.

The previous prime is 12002012022103. The next prime is 12002012022233. The reversal of 12002012022210 is 1222021020021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12002012022210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27285390 + ... + 27721769.

It is an arithmetic number, because the mean of its divisors is an integer number (514867017600).

Almost surely, 212002012022210 is an apocalyptic number.

12002012022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002012022210 is an abundant number, since it is smaller than the sum of its proper divisors (20949477104190).

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

12002012022210 is a wasteful number, since it uses less digits than its factorization.

12002012022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55008215.

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

Adding to 12002012022210 its reverse (1222021020021), we get a palindrome (13224033042231).

The spelling of 12002012022210 in words is "twelve trillion, two billion, twelve million, twenty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1039 2078 3117 5195 6234 7273 10390 14546 15585 21819 31170 36365 43638 72730 109095 218190 55007159 110014318 165021477 275035795 330042954 385050113 550071590 770100226 825107385 1155150339 1650214770 1925250565 2310300678 3850501130 5775751695 11551503390 57152438201 114304876402 171457314603 285762191005 342914629206 400067067407 571524382010 800134134814 857286573015 1200201202221 1714573146030 2000335337035 2400402404442 4000670674070 6001006011105 12002012022210