Search a number
-
+
12012230001 = 35955767231
BaseRepresentation
bin10110010111111110…
…00001010101110001
31011000011010111202110
423023333001111301
5144100112330001
65303543435533
7603450161502
oct131377012561
934004114673
1012012230001
115104655212
1223b2a55ba9
131195857405
1481d4c2ba9
154a48893d6
hex2cbfc1571

12012230001 has 8 divisors (see below), whose sum is σ = 16016813824. Its totient is φ = 8007899760.

The previous prime is 12012229973. The next prime is 12012230003. The reversal of 12012230001 is 10003221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12012230001 - 217 = 12012098929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012230003) 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 7 ways as a sum of consecutive naturals, for example, 145056 + ... + 212286.

It is an arithmetic number, because the mean of its divisors is an integer number (2002101728).

Almost surely, 212012230001 is an apocalyptic number.

It is an amenable number.

12012230001 is a deficient number, since it is larger than the sum of its proper divisors (4004583823).

12012230001 is an equidigital number, since it uses as much as digits as its factorization.

12012230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126791.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12012230001 its reverse (10003221021), we get a palindrome (22015451022).

The spelling of 12012230001 in words is "twelve billion, twelve million, two hundred thirty thousand, one".

Divisors: 1 3 59557 67231 178671 201693 4004076667 12012230001