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212200220200 = 23524392416859
BaseRepresentation
bin1100010110100000011…
…1100110011000101000
3202021201121011002022211
43011220013212120220
511434041224021300
6241252231054504
721221343053053
oct3055007463050
9667647132284
10212200220200
1181aa2546211
1235161511434
1317019ab7297
14a3b053ba9a
1557be5944ba
hex31681e6628

212200220200 has 48 divisors (see below), whose sum is σ = 494489556000. Its totient is φ = 84686704320.

The previous prime is 212200220191. The next prime is 212200220201. The reversal of 212200220200 is 2022002212.

It is not an unprimeable number, because it can be changed into a prime (212200220201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1120630 + ... + 1296229.

It is an arithmetic number, because the mean of its divisors is an integer number (10301865750).

Almost surely, 2212200220200 is an apocalyptic number.

212200220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212200220200 is an abundant number, since it is smaller than the sum of its proper divisors (282289335800).

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

212200220200 is a wasteful number, since it uses less digits than its factorization.

212200220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417314 (or 2417305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 212200220200 its reverse (2022002212), we get a palindrome (214222222412).

The spelling of 212200220200 in words is "two hundred twelve billion, two hundred million, two hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 439 878 1756 2195 3512 4390 8780 10975 17560 21950 43900 87800 2416859 4833718 9667436 12084295 19334872 24168590 48337180 60421475 96674360 120842950 241685900 483371800 1061001101 2122002202 4244004404 5305005505 8488008808 10610011010 21220022020 26525027525 42440044040 53050055050 106100110100 212200220200