Search a number
-
+
212001012001 = 227933925163
BaseRepresentation
bin1100010101110000111…
…1101011100100100001
3202021012201022021001101
43011130033223210201
511433134224341001
6241220353234401
721213403604122
oct3053417534441
9667181267041
10212001012001
1181a00054139
1235106862a01
1316cb77494cc
14a391cc4049
1557abd44a01
hex315c3eb921

212001012001 has 4 divisors (see below), whose sum is σ = 212934937392. Its totient is φ = 211067086612.

The previous prime is 212001011987. The next prime is 212001012011. The reversal of 212001012001 is 100210100212.

212001012001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212001012001 - 233 = 203411077409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212001012011) 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 3 ways as a sum of consecutive naturals, for example, 466962355 + ... + 466962808.

It is an arithmetic number, because the mean of its divisors is an integer number (53233734348).

Almost surely, 2212001012001 is an apocalyptic number.

It is an amenable number.

212001012001 is a deficient number, since it is larger than the sum of its proper divisors (933925391).

212001012001 is an equidigital number, since it uses as much as digits as its factorization.

212001012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933925390.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 212001012001 its reverse (100210100212), we get a palindrome (312211112213).

The spelling of 212001012001 in words is "two hundred twelve billion, one million, twelve thousand, one".

Divisors: 1 227 933925163 212001012001