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212212020200 = 23522297461933
BaseRepresentation
bin1100010110100011010…
…0100111001111101000
3202021202102100120212212
43011220310213033220
511434102234121300
6241253332024252
721221545260305
oct3055064471750
9667672316785
10212212020200
1181aa9175784
1235165462088
131701c38922b
14a3b1d300ac
1557c0625935
hex3168d273e8

212212020200 has 48 divisors (see below), whose sum is σ = 493608814380. Its totient is φ = 84847669760.

The previous prime is 212212020191. The next prime is 212212020257. The reversal of 212212020200 is 2020212212.

212212020200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 53500615204 + 158711404996 = 231302^2 + 398386^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228434 + ... + 690366.

Almost surely, 2212212020200 is an apocalyptic number.

212212020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212212020200 is an abundant number, since it is smaller than the sum of its proper divisors (281396794180).

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

212212020200 is a wasteful number, since it uses less digits than its factorization.

212212020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464246 (or 464237 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212212020200 its reverse (2020212212), we get a palindrome (214232232412).

The spelling of 212212020200 in words is "two hundred twelve billion, two hundred twelve million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 2297 4594 9188 11485 18376 22970 45940 57425 91880 114850 229700 459400 461933 923866 1847732 2309665 3695464 4619330 9238660 11548325 18477320 23096650 46193300 92386600 1061060101 2122120202 4244240404 5305300505 8488480808 10610601010 21221202020 26526502525 42442404040 53053005050 106106010100 212212020200