Search a number
-
+
12421322301 = 34140440767
BaseRepresentation
bin10111001000101111…
…00101011000111101
31012001122220112220010
423210113211120331
5200414324303201
65412320013433
7616545332433
oct134427453075
935048815803
1012421322301
1152a4570323
1224a7a61279
13122c53036b
1485b972d53
154ca746bd6
hex2e45e563d

12421322301 has 4 divisors (see below), whose sum is σ = 16561763072. Its totient is φ = 8280881532.

The previous prime is 12421322299. The next prime is 12421322351. The reversal of 12421322301 is 10322312421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10322312421 = 33440770807.

It is not a de Polignac number, because 12421322301 - 21 = 12421322299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421322351) 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, 2070220381 + ... + 2070220386.

It is an arithmetic number, because the mean of its divisors is an integer number (4140440768).

Almost surely, 212421322301 is an apocalyptic number.

It is an amenable number.

12421322301 is a deficient number, since it is larger than the sum of its proper divisors (4140440771).

12421322301 is an equidigital number, since it uses as much as digits as its factorization.

12421322301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140440770.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12421322301 its reverse (10322312421), we get a palindrome (22743634722).

The spelling of 12421322301 in words is "twelve billion, four hundred twenty-one million, three hundred twenty-two thousand, three hundred one".

Divisors: 1 3 4140440767 12421322301