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212001220211 = 1123837949487
BaseRepresentation
bin1100010101110001000…
…0011110011001110011
3202021012201200211122212
43011130100132121303
511433134303021321
6241220401522335
721213405432134
oct3053420363163
9667181624585
10212001220211
1181a00186610
12351069433ab
1316cb77c0201
14a391d39c8b
1557abd8655b
hex315c41e673

212001220211 has 8 divisors (see below), whose sum is σ = 241329452544. Its totient is φ = 184348886920.

The previous prime is 212001220163. The next prime is 212001220231. The reversal of 212001220211 is 112022100212.

212001220211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212001220211 - 230 = 210927478387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212001220231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 418974491 + ... + 418974996.

It is an arithmetic number, because the mean of its divisors is an integer number (30166181568).

Almost surely, 2212001220211 is an apocalyptic number.

212001220211 is a deficient number, since it is larger than the sum of its proper divisors (29328232333).

212001220211 is a wasteful number, since it uses less digits than its factorization.

212001220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837949521.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212001220211 its reverse (112022100212), we get a palindrome (324023320423).

The spelling of 212001220211 in words is "two hundred twelve billion, one million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 11 23 253 837949487 9217444357 19272838201 212001220211