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12201232003 = 19076398129
BaseRepresentation
bin10110101110100000…
…00000011010000011
31011111022202210202121
423113100000122003
5144442003411003
65334414425111
7611233521652
oct132720003203
934438683677
1012201232003
1151a1306214
122446202197
1311c5a6080c
1483a641199
154b626ecbd
hex2d7400683

12201232003 has 4 divisors (see below), whose sum is σ = 12207632040. Its totient is φ = 12194831968.

The previous prime is 12201231997. The next prime is 12201232019. The reversal of 12201232003 is 30023210221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12201232003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201232063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197158 + ... + 3200971.

It is an arithmetic number, because the mean of its divisors is an integer number (3051908010).

Almost surely, 212201232003 is an apocalyptic number.

12201232003 is a deficient number, since it is larger than the sum of its proper divisors (6400037).

12201232003 is an equidigital number, since it uses as much as digits as its factorization.

12201232003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400036.

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

Adding to 12201232003 its reverse (30023210221), we get a palindrome (42224442224).

The spelling of 12201232003 in words is "twelve billion, two hundred one million, two hundred thirty-two thousand, three".

Divisors: 1 1907 6398129 12201232003