Search a number
-
+
12043010221 = 113121935069
BaseRepresentation
bin10110011011101000…
…11100000010101101
31011002022001022021121
423031310130002231
5144131002311341
65311003300541
7604302616654
oct131564340255
934068038247
1012043010221
11511aa68910
12240121a751
13119c043568
1482361619b
154a74194d1
hex2cdd1c0ad

12043010221 has 8 divisors (see below), whose sum is σ = 13138624800. Its totient is φ = 10947528240.

The previous prime is 12043010219. The next prime is 12043010227. The reversal of 12043010221 is 12201034021.

12043010221 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 12043010221 - 21 = 12043010219 is a prime.

It is a super-2 number, since 2×120430102212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12043010195 and 12043010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043010227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325875 + ... + 360943.

It is an arithmetic number, because the mean of its divisors is an integer number (1642328100).

Almost surely, 212043010221 is an apocalyptic number.

12043010221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12043010221 is a deficient number, since it is larger than the sum of its proper divisors (1095614579).

12043010221 is a wasteful number, since it uses less digits than its factorization.

12043010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66299.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12043010221 its reverse (12201034021), we get a palindrome (24244044242).

The spelling of 12043010221 in words is "twelve billion, forty-three million, ten thousand, two hundred twenty-one".

Divisors: 1 11 31219 35069 343409 385759 1094819111 12043010221