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1112220101200 = 245213213888481
BaseRepresentation
bin10000001011110101011…
…110111110101001010000
310221022211112100020011111
4100023311132332221100
5121210311321214300
62210540304423104
7143232564605515
oct20136536765120
93838745306144
101112220101200
1139976528498a
1215b680317a94
1380b607145a0
143bb9041b30c
151dde86eb9ba
hex102f57bea50

1112220101200 has 60 divisors (see below), whose sum is σ = 2877655636828. Its totient is φ = 410665881600.

The previous prime is 1112220101191. The next prime is 1112220101203. The reversal of 1112220101200 is 21010222111.

It can be written as a sum of positive squares in 6 ways, for example, as 363628296256 + 748591804944 = 603016^2 + 865212^2 .

It is a super-3 number, since 3×11122201012003 (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112220101203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106939041 + ... + 106949440.

Almost surely, 21112220101200 is an apocalyptic number.

1112220101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112220101200 is an abundant number, since it is smaller than the sum of its proper divisors (1765435535628).

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

1112220101200 is a wasteful number, since it uses less digits than its factorization.

1112220101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213888512 (or 213888501 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1112220101200 its reverse (21010222111), we get a palindrome (1133230323311).

The spelling of 1112220101200 in words is "one trillion, one hundred twelve billion, two hundred twenty million, one hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1040 1300 2600 5200 213888481 427776962 855553924 1069442405 1711107848 2138884810 2780550253 3422215696 4277769620 5347212025 5561100506 8555539240 10694424050 11122201012 13902751265 17111078480 21388848100 22244402024 27805502530 42777696200 44488804048 55611005060 69513756325 85555392400 111222010120 139027512650 222444020240 278055025300 556110050600 1112220101200