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210212101212 = 223457290913177
BaseRepresentation
bin1100001111000110011…
…1100001110001011100
3202002121001011011210020
43003301213201301130
511421003244214322
6240323050512140
721121152243561
oct3036147416134
9662531134706
10210212101212
1181172283a73
12348a7735650
1316a90c3ca09
14a262496868
155704c7c05c
hex30f19e1c5c

210212101212 has 48 divisors (see below), whose sum is σ = 491774495520. Its totient is φ = 69888033792.

The previous prime is 210212101207. The next prime is 210212101243. The reversal of 210212101212 is 212101212012.

210212101212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 210212101191 and 210212101200.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 15946368 + ... + 15959544.

It is an arithmetic number, because the mean of its divisors is an integer number (10245301990).

Almost surely, 2210212101212 is an apocalyptic number.

It is an amenable number.

210212101212 is an abundant number, since it is smaller than the sum of its proper divisors (281562394308).

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

210212101212 is a wasteful number, since it uses less digits than its factorization.

210212101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16550 (or 16548 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210212101212 its reverse (212101212012), we get a palindrome (422313313224).

The spelling of 210212101212 in words is "two hundred ten billion, two hundred twelve million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 457 914 1371 1828 2742 2909 5484 5818 8727 11636 13177 17454 26354 34908 39531 52708 79062 158124 1329413 2658826 3988239 5317652 6021889 7976478 12043778 15952956 18065667 24087556 36131334 38331893 72262668 76663786 114995679 153327572 229991358 459982716 17517675101 35035350202 52553025303 70070700404 105106050606 210212101212