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212012122011211 = 4313337369686921
BaseRepresentation
bin110000001101001011101011…
…001110000111011001001011
31000210200011100022102010122001
4300031023223032013121023
5210242101311213324321
62030525005124211431
762441241011612554
oct6015135316073113
91023604308363561
10212012122011211
116160a921804635
121b941452839b77
13913b871192762
143a4d62750132b
151979dc62d1c91
hexc0d2eb38764b

212012122011211 has 8 divisors (see below), whose sum is σ = 216958903287984. Its totient is φ = 207066080135040.

The previous prime is 212012122011191. The next prime is 212012122011251. The reversal of 212012122011211 is 112110221210212.

It is a happy number.

212012122011211 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 a cyclic number.

It is not a de Polignac number, because 212012122011211 - 27 = 212012122011083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012122011251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184269970 + ... + 185416951.

It is an arithmetic number, because the mean of its divisors is an integer number (27119862910998).

Almost surely, 2212012122011211 is an apocalyptic number.

212012122011211 is a deficient number, since it is larger than the sum of its proper divisors (4946781276773).

212012122011211 is a wasteful number, since it uses less digits than its factorization.

212012122011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369700301.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212012122011211 its reverse (112110221210212), we get a palindrome (324122343221423).

The spelling of 212012122011211 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-two million, eleven thousand, two hundred eleven".

Divisors: 1 43 13337 573491 369686921 15896537603 4930514465377 212012122011211