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212200122200 = 23521196454601
BaseRepresentation
bin1100010110100000011…
…1001110011101011000
3202021201120222002220012
43011220013032131120
511434041212402300
6241252225021052
721221342164253
oct3055007163530
9667646862805
10212200122200
1181aa2489620
1235161484788
1317019a817b1
14a3b051409a
1557be575435
hex31681ce758

212200122200 has 48 divisors (see below), whose sum is σ = 538216679160. Its totient is φ = 77163680000.

The previous prime is 212200122179. The next prime is 212200122221. The reversal of 212200122200 is 2221002212.

It is an interprime number because it is at equal distance from previous prime (212200122179) and next prime (212200122221).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48225101 + ... + 48229500.

Almost surely, 2212200122200 is an apocalyptic number.

212200122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212200122200 is an abundant number, since it is smaller than the sum of its proper divisors (326016556960).

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

212200122200 is a wasteful number, since it uses less digits than its factorization.

212200122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96454628 (or 96454619 counting only the distinct ones).

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

Adding to 212200122200 its reverse (2221002212), we get a palindrome (214421124412).

It can be divided in two parts, 21220012 and 2200, that added together give a palindrome (21222212).

The spelling of 212200122200 in words is "two hundred twelve billion, two hundred million, one hundred twenty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 440 550 1100 2200 96454601 192909202 385818404 482273005 771636808 964546010 1061000611 1929092020 2122001222 2411365025 3858184040 4244002444 4822730050 5305003055 8488004888 9645460100 10610006110 19290920200 21220012220 26525015275 42440024440 53050030550 106100061100 212200122200