Search a number
-
+
12202212201020 = 2253134756717543
BaseRepresentation
bin1011000110010000110010…
…0001100001001000111100
31121012112001011000020120222
42301210030201201020330
53044410112310413040
641541341403200512
72366403123243122
oct261441441411074
947175034006528
1012202212201020
113984a24749406
121450a54216138
136a6882122a3a
143028397d5912
1516261a6c1bb5
hexb190c86123c

12202212201020 has 48 divisors (see below), whose sum is σ = 26527475939328. Its totient is φ = 4709824687680.

The previous prime is 12202212201001. The next prime is 12202212201031. The reversal of 12202212201020 is 2010221220221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12202212201020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28143632 + ... + 28573911.

It is an arithmetic number, because the mean of its divisors is an integer number (552655748736).

Almost surely, 212202212201020 is an apocalyptic number.

12202212201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202212201020 is an abundant number, since it is smaller than the sum of its proper divisors (14325263738308).

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

12202212201020 is a wasteful number, since it uses less digits than its factorization.

12202212201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56717930 (or 56717928 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12202212201020 its reverse (2010221220221), we get a palindrome (14212433421241).

The spelling of 12202212201020 in words is "twelve trillion, two hundred two billion, two hundred twelve million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 347 620 694 1388 1735 3470 6940 10757 21514 43028 53785 107570 215140 56717543 113435086 226870172 283587715 567175430 1134350860 1758243833 3516487666 7032975332 8791219165 17582438330 19680987421 35164876660 39361974842 78723949684 98404937105 196809874210 393619748420 610110610051 1220221220102 2440442440204 3050553050255 6101106100510 12202212201020