Search a number
-
+
1212211200200 = 2352711136055001
BaseRepresentation
bin10001101000111101011…
…010110000000011001000
311021212221002020100112112
4101220331122300003020
5124330102031401300
62324514313001452
7153402503122550
oct21507532600310
94255832210475
101212211200200
11428106690590
12176b270b3288
138a407428760
1442958202160
15217ebc78e35
hex11a3d6b00c8

1212211200200 has 192 divisors, whose sum is σ = 3784134049920. Its totient is φ = 348768000000.

The previous prime is 1212211200133. The next prime is 1212211200217. The reversal of 1212211200200 is 20021122121.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 47 ways as a sum of consecutive naturals, for example, 2827301 + ... + 3227700.

It is an arithmetic number, because the mean of its divisors is an integer number (19709031510).

Almost surely, 21212211200200 is an apocalyptic number.

1212211200200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212211200200 is an abundant number, since it is smaller than the sum of its proper divisors (2571922849720).

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

1212211200200 is a wasteful number, since it uses less digits than its factorization.

1212211200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055048 (or 6055039 counting only the distinct ones).

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

Adding to 1212211200200 its reverse (20021122121), we get a palindrome (1232232322321).

The spelling of 1212211200200 in words is "one trillion, two hundred twelve billion, two hundred eleven million, two hundred thousand, two hundred".