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12203232001 = 25747483393
BaseRepresentation
bin10110101110101111…
…01000101100000001
31011111110112102020121
423113113220230001
5144443011411001
65334525340241
7611256521602
oct132727505401
934443472217
1012203232001
1151a2451904
122446a07681
1311c62b0c4c
1483aa01da9
154b65176a1
hex2d75e8b01

12203232001 has 4 divisors (see below), whose sum is σ = 12250715652. Its totient is φ = 12155748352.

The previous prime is 12203231993. The next prime is 12203232017. The reversal of 12203232001 is 10023230221.

12203232001 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 an emirpimes, since its reverse is a distinct semiprime: 10023230221 = 18217550213.

It can be written as a sum of positive squares in 2 ways, for example, as 11837657601 + 365574400 = 108801^2 + 19120^2 .

It is a cyclic number.

It is not a de Polignac number, because 12203232001 - 23 = 12203231993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12203232091) 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 3 ways as a sum of consecutive naturals, for example, 23741440 + ... + 23741953.

It is an arithmetic number, because the mean of its divisors is an integer number (3062678913).

Almost surely, 212203232001 is an apocalyptic number.

It is an amenable number.

12203232001 is a deficient number, since it is larger than the sum of its proper divisors (47483651).

12203232001 is an equidigital number, since it uses as much as digits as its factorization.

12203232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47483650.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12203232001 its reverse (10023230221), we get a palindrome (22226462222).

The spelling of 12203232001 in words is "twelve billion, two hundred three million, two hundred thirty-two thousand, one".

Divisors: 1 257 47483393 12203232001