Search a number
-
+
212001122101211 = 239795025155581
BaseRepresentation
bin110000001101000001011011…
…100100110010011111011011
31000210122002221201010210211222
4300031001123210302133123
5210241411244224214321
62030515545422042255
762440401303123242
oct6015013344623733
91023562851123758
10212001122101211
1161606197628423
121b93b2a2a1938b
13913a80a29a081
143a4cca2655959
15197998075e3ab
hexc0d05b9327db

212001122101211 has 8 divisors (see below), whose sum is σ = 223499165928864. Its totient is φ = 200693128584960.

The previous prime is 212001122101177. The next prime is 212001122101229. The reversal of 212001122101211 is 112101221100212.

212001122101211 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 a de Polignac number, because none of the positive numbers 2k-212001122101211 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 212001122101211.

It is not an unprimeable number, because it can be changed into a prime (212001122101411) 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, 47512575560 + ... + 47512580021.

It is an arithmetic number, because the mean of its divisors is an integer number (27937395741108).

Almost surely, 2212001122101211 is an apocalyptic number.

212001122101211 is a deficient number, since it is larger than the sum of its proper divisors (11498043827653).

212001122101211 is an equidigital number, since it uses as much as digits as its factorization.

212001122101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95025155701.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212001122101211 its reverse (112101221100212), we get a palindrome (324102343201423).

The spelling of 212001122101211 in words is "two hundred twelve trillion, one billion, one hundred twenty-two million, one hundred one thousand, two hundred eleven".

Divisors: 1 23 97 2231 95025155581 2185578578363 9217440091357 212001122101211