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12210220023030 = 2325232457583631
BaseRepresentation
bin1011000110101110100111…
…0100111011110011110110
31121020021201020010202021100
42301223221310323303312
53100023012311214110
641545144142430530
72400105430512021
oct261535164736366
947207636122240
1012210220023030
113988363979627
121452509b92446
136a755a174263
14302d991381b8
15162938714bc0
hexb1ae9d3bcf6

12210220023030 has 48 divisors (see below), whose sum is σ = 31746763024704. Its totient is φ = 3256039086720.

The previous prime is 12210220023013. The next prime is 12210220023031. The reversal of 12210220023030 is 3032002201221.

12210220023030 is a `hidden beast` number, since 1 + 2 + 210 + 220 + 0 + 230 + 3 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12210220022994 and 12210220023012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210220023031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20629315 + ... + 21212945.

It is an arithmetic number, because the mean of its divisors is an integer number (661390896348).

Almost surely, 212210220023030 is an apocalyptic number.

12210220023030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210220023030 is an abundant number, since it is smaller than the sum of its proper divisors (19536543001674).

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

12210220023030 is a wasteful number, since it uses less digits than its factorization.

12210220023030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816101 (or 816098 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12210220023030 its reverse (3032002201221), we get a palindrome (15242222224251).

The spelling of 12210220023030 in words is "twelve trillion, two hundred ten billion, two hundred twenty million, twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 232457 464914 583631 697371 1162285 1167262 1394742 1750893 2092113 2324570 2918155 3486855 3501786 4184226 5252679 5836310 6973710 8754465 10460565 10505358 17508930 20921130 26263395 52526790 135669111367 271338222734 407007334101 678345556835 814014668202 1221022002303 1356691113670 2035036670505 2442044004606 4070073341010 6105110011515 12210220023030