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122112102200 = 235211107518743
BaseRepresentation
bin111000110111001110…
…0101100111100111000
3102200012012110112000212
41301232130230330320
54000041144232300
6132033022050252
711552023512524
oct1615634547470
9380165415025
10122112102200
1147873109830
121b7bb119988
13b69095189a
145ca5a62d84
15329a60d935
hex1c6e72cf38

122112102200 has 96 divisors (see below), whose sum is σ = 312615884160. Its totient is φ = 43989321600.

The previous prime is 122112102199. The next prime is 122112102241. The reversal of 122112102200 is 2201211221.

It is a super-2 number, since 2×1221121022002 (a number of 23 digits) contains 22 as substring.

It is a congruent 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, 23972 + ... + 494771.

It is an arithmetic number, because the mean of its divisors is an integer number (3256415460).

Almost surely, 2122112102200 is an apocalyptic number.

122112102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122112102200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156307942080).

122112102200 is an abundant number, since it is smaller than the sum of its proper divisors (190503781960).

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

122112102200 is a wasteful number, since it uses less digits than its factorization.

122112102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518877 (or 518868 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122112102200 its reverse (2201211221), we get a palindrome (124313313421).

The spelling of 122112102200 in words is "one hundred twenty-two billion, one hundred twelve million, one hundred two thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 107 110 200 214 220 275 428 440 535 550 856 1070 1100 1177 2140 2200 2354 2675 4280 4708 5350 5885 9416 10700 11770 21400 23540 29425 47080 58850 117700 235400 518743 1037486 2074972 2593715 4149944 5187430 5706173 10374860 11412346 12968575 20749720 22824692 25937150 28530865 45649384 51874300 55505501 57061730 103748600 111011002 114123460 142654325 222022004 228246920 277527505 285308650 444044008 555055010 570617300 610560511 1110110020 1141234600 1221121022 1387637525 2220220040 2442242044 2775275050 3052802555 4884484088 5550550100 6105605110 11101100200 12211210220 15264012775 24422420440 30528025550 61056051100 122112102200