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1200223111230 = 2325111393257429
BaseRepresentation
bin10001011101110010110…
…111110100100000111110
311020201222121112100001100
4101131302313310200332
5124131024104024410
62315212550353530
7152466435055053
oct21356267644076
94221877470040
101200223111230
11423014724940
1217474035b8a6
13892468a45a0
144213c00502a
15213495ac8c0
hex11772df483e

1200223111230 has 96 divisors (see below), whose sum is σ = 3666136088160. Its totient is φ = 268581392640.

The previous prime is 1200223111207. The next prime is 1200223111231. The reversal of 1200223111230 is 321113220021.

1200223111230 is a `hidden beast` number, since 1 + 200 + 2 + 231 + 1 + 1 + 230 = 666.

It is a super-2 number, since 2×12002231112302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200223111231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46615845 + ... + 46641584.

It is an arithmetic number, because the mean of its divisors is an integer number (38188917585).

Almost surely, 21200223111230 is an apocalyptic number.

1200223111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200223111230 is an abundant number, since it is smaller than the sum of its proper divisors (2465912976930).

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

1200223111230 is a wasteful number, since it uses less digits than its factorization.

1200223111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93257466 (or 93257463 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1200223111230 its reverse (321113220021), we get a palindrome (1521336331251).

The spelling of 1200223111230 in words is "one trillion, two hundred billion, two hundred twenty-three million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 13 15 18 22 26 30 33 39 45 55 65 66 78 90 99 110 117 130 143 165 195 198 234 286 330 390 429 495 585 715 858 990 1170 1287 1430 2145 2574 4290 6435 12870 93257429 186514858 279772287 466287145 559544574 839316861 932574290 1025831719 1212346577 1398861435 1678633722 2051663438 2424693154 2797722870 3077495157 3637039731 4196584305 5129158595 6061732885 6154990314 7274079462 8393168610 9232485471 10258317190 10911119193 12123465770 13335812347 15387475785 18185198655 18464970942 21822238386 26671624694 30774951570 36370397310 40007437041 46162427355 54555595965 66679061735 80014874082 92324854710 109111191930 120022311123 133358123470 200037185205 240044622246 400074370410 600111555615 1200223111230