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12211200210 = 2351126155147
BaseRepresentation
bin10110101111101100…
…00010000011010010
31011112000112020120110
423113312002003102
5200002031401320
65335412222150
7611414326536
oct132766020322
934460466513
1012211200210
1151a69a4500
12244960a956
1311c7b40a71
1483bab7bc6
154b708d5e0
hex2d7d820d2

12211200210 has 96 divisors (see below), whose sum is σ = 32742029376. Its totient is φ = 2911708800.

The previous prime is 12211200167. The next prime is 12211200217. The reversal of 12211200210 is 1200211221.

It is a super-2 number, since 2×122112002102 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211200217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193857 + ... + 249003.

It is an arithmetic number, because the mean of its divisors is an integer number (341062806).

Almost surely, 212211200210 is an apocalyptic number.

12211200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12211200210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16371014688).

12211200210 is an abundant number, since it is smaller than the sum of its proper divisors (20530829166).

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

12211200210 is a wasteful number, since it uses less digits than its factorization.

12211200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55240 (or 55229 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12211200210 its reverse (1200211221), we get a palindrome (13411411431).

The spelling of 12211200210 in words is "twelve billion, two hundred eleven million, two hundred thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 61 66 110 121 122 165 183 242 305 330 363 366 605 610 671 726 915 1210 1342 1815 1830 2013 3355 3630 4026 6710 7381 10065 14762 20130 22143 36905 44286 55147 73810 110294 110715 165441 221430 275735 330882 551470 606617 827205 1213234 1654410 1819851 3033085 3363967 3639702 6066170 6672787 6727934 9099255 10091901 13345574 16819835 18198510 20018361 20183802 33363935 33639670 37003637 40036722 50459505 66727870 74007274 100091805 100919010 111010911 185018185 200183610 222021822 370036370 407040007 555054555 814080014 1110109110 1221120021 2035200035 2442240042 4070400070 6105600105 12211200210