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212012203301 = 1849311464457
BaseRepresentation
bin1100010101110011101…
…0010111110100100101
3202021020111100211121222
43011130322113310211
511433200111001201
6241221433150125
721213600664613
oct3053472276445
9667214324558
10212012203301
1181a063a8348
123510a55b345
1316cb9b67392
14a3935986b3
1557acd0591b
hex315ce97d25

212012203301 has 4 divisors (see below), whose sum is σ = 212023686252. Its totient is φ = 212000720352.

The previous prime is 212012203267. The next prime is 212012203349. The reversal of 212012203301 is 103302210212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160180851076 + 51831352225 = 400226^2 + 227665^2 .

It is a cyclic number.

It is not a de Polignac number, because 212012203301 - 218 = 212011941157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212012203301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012203001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5713736 + ... + 5750721.

It is an arithmetic number, because the mean of its divisors is an integer number (53005921563).

Almost surely, 2212012203301 is an apocalyptic number.

It is an amenable number.

212012203301 is a deficient number, since it is larger than the sum of its proper divisors (11482951).

212012203301 is a wasteful number, since it uses less digits than its factorization.

212012203301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11482950.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212012203301 its reverse (103302210212), we get a palindrome (315314413513).

The spelling of 212012203301 in words is "two hundred twelve billion, twelve million, two hundred three thousand, three hundred one".

Divisors: 1 18493 11464457 212012203301