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212001103212 = 22337501471101
BaseRepresentation
bin1100010101110001000…
…0000001110101101100
3202021012201110220011120
43011130100001311230
511433134240300322
6241220355220540
721213404434053
oct3053420016554
9667181426146
10212001103212
1181a00106718
12351068a7750
1316cb777bb92
14a391d0939a
1557abd61a5c
hex315c401d6c

212001103212 has 24 divisors (see below), whose sum is σ = 494683481712. Its totient is φ = 70665000000.

The previous prime is 212001103199. The next prime is 212001103253. The reversal of 212001103212 is 212301100212.

212001103212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2120011032123 (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212001103191 and 212001103200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214462 + ... + 685562.

It is an arithmetic number, because the mean of its divisors is an integer number (20611811738).

Almost surely, 2212001103212 is an apocalyptic number.

It is an amenable number.

212001103212 is an abundant number, since it is smaller than the sum of its proper divisors (282682378500).

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

212001103212 is a wasteful number, since it uses less digits than its factorization.

212001103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508609 (or 508607 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212001103212 its reverse (212301100212), we get a palindrome (424302203424).

The spelling of 212001103212 in words is "two hundred twelve billion, one million, one hundred three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37501 75002 112503 150004 225006 450012 471101 942202 1413303 1884404 2826606 5653212 17666758601 35333517202 53000275803 70667034404 106000551606 212001103212