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12112221203 = 311073651559
BaseRepresentation
bin10110100011111000…
…11101010000010011
31011021010021120220022
423101330131100103
5144301212034303
65321514534055
7606103116155
oct132174352023
934233246808
1012112221203
115156040075
12242043732b
1311b0496bc4
1482c8b0ad5
154ad53b438
hex2d1f1d413

12112221203 has 8 divisors (see below), whose sum is σ = 12619791360. Its totient is φ = 11611954440.

The previous prime is 12112221193. The next prime is 12112221211. The reversal of 12112221203 is 30212221121.

12112221203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12112221203 - 210 = 12112220179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112221263) 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 7 ways as a sum of consecutive naturals, for example, 1822463 + ... + 1829096.

It is an arithmetic number, because the mean of its divisors is an integer number (1577473920).

Almost surely, 212112221203 is an apocalyptic number.

12112221203 is a deficient number, since it is larger than the sum of its proper divisors (507570157).

12112221203 is a wasteful number, since it uses less digits than its factorization.

12112221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651697.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12112221203 its reverse (30212221121), we get a palindrome (42324442324).

The spelling of 12112221203 in words is "twelve billion, one hundred twelve million, two hundred twenty-one thousand, two hundred three".

Divisors: 1 31 107 3317 3651559 113198329 390716813 12112221203