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212112020211211 = 1725914815583813
BaseRepresentation
bin110000001110101000101101…
…100111100000011000001011
31000211000201012101111111112101
4300032220231213200120023
5210300220404133224321
62031042530013254231
762451405411401221
oct6016505547403013
91024021171444471
10212112020211211
11616492257298aa
121b958892494377
13914810187b2c3
143a543c2c22b11
15197c7c160d791
hexc0ea2d9e060b

212112020211211 has 8 divisors (see below), whose sum is σ = 224675878425984. Its totient is φ = 199557793169280.

The previous prime is 212112020211173. The next prime is 212112020211257. The reversal of 212112020211211 is 112112020211212.

It is a happy number.

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

It is not a de Polignac number, because 212112020211211 - 27 = 212112020211083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212112020211271) 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, 2407747860 + ... + 2407835953.

It is an arithmetic number, because the mean of its divisors is an integer number (28084484803248).

Almost surely, 2212112020211211 is an apocalyptic number.

212112020211211 is a deficient number, since it is larger than the sum of its proper divisors (12563858214773).

212112020211211 is a wasteful number, since it uses less digits than its factorization.

212112020211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815586421.

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

Adding to 212112020211211 its reverse (112112020211212), we get a palindrome (324224040422423).

Subtracting from 212112020211211 its reverse (112112020211212), we obtain a palindrome (99999999999999).

The spelling of 212112020211211 in words is "two hundred twelve trillion, one hundred twelve billion, twenty million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 17 2591 44047 4815583813 81864924821 12477177659483 212112020211211