Search a number
-
+
12300300221 = 111118209111
BaseRepresentation
bin10110111010010011…
…11010111110111101
31011202020011222210212
423131021322332331
5200142334101341
65352314042205
7613545553406
oct133511727675
934666158725
1012300300221
115242220680
122473419365
131210439171
1484986c9ad
154becdd5eb
hex2dd27afbd

12300300221 has 4 divisors (see below), whose sum is σ = 13418509344. Its totient is φ = 11182091100.

The previous prime is 12300300217. The next prime is 12300300247. The reversal of 12300300221 is 12200300321.

It is a happy number.

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 12300300221 - 22 = 12300300217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12300300196 and 12300300205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300300821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559104545 + ... + 559104566.

It is an arithmetic number, because the mean of its divisors is an integer number (3354627336).

Almost surely, 212300300221 is an apocalyptic number.

12300300221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12300300221 is a deficient number, since it is larger than the sum of its proper divisors (1118209123).

12300300221 is a wasteful number, since it uses less digits than its factorization.

12300300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118209122.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12300300221 its reverse (12200300321), we get a palindrome (24500600542).

The spelling of 12300300221 in words is "twelve billion, three hundred million, three hundred thousand, two hundred twenty-one".

Divisors: 1 11 1118209111 12300300221