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212010011210 = 25171379103049
BaseRepresentation
bin1100010101110011001…
…0000000101001001010
3202021020100020110122102
43011130302000221022
511433144030324320
6241221314153402
721213543234644
oct3053462005112
9667210213572
10212010011210
1181a051403a8
1235109882862
1316cb957a69a
14a393187894
1557aca21175
hex315cc80a4a

212010011210 has 32 divisors (see below), whose sum is σ = 407015571600. Its totient is φ = 79232929792.

The previous prime is 212010011207. The next prime is 212010011219. The reversal of 212010011210 is 12110010212.

It can be written as a sum of positive squares in 8 ways, for example, as 106555892041 + 105454119169 = 326429^2 + 324737^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212010011191 and 212010011200.

It is not an unprimeable number, because it can be changed into a prime (212010011219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4528235 + ... + 4574814.

Almost surely, 2212010011210 is an apocalyptic number.

212010011210 is a deficient number, since it is larger than the sum of its proper divisors (195005560390).

212010011210 is a wasteful number, since it uses less digits than its factorization.

212010011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103210.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212010011210 its reverse (12110010212), we get a palindrome (224120021422).

The spelling of 212010011210 in words is "two hundred twelve billion, ten million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 85 137 170 274 685 1370 2329 4658 11645 23290 9103049 18206098 45515245 91030490 154751833 309503666 773759165 1247117713 1547518330 2494235426 6235588565 12471177130 21201001121 42402002242 106005005605 212010011210