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12112241023 = 85914100397
BaseRepresentation
bin10110100011111001…
…00010000101111111
31011021010022121002101
423101330202011333
5144301213203043
65321515205531
7606103231021
oct132174420577
934233277071
1012112241023
115156053a53
1224204468a7
1311b04a2c2c
1482c8b8011
154ad54224d
hex2d1f2217f

12112241023 has 4 divisors (see below), whose sum is σ = 12126342280. Its totient is φ = 12098139768.

The previous prime is 12112241021. The next prime is 12112241041. The reversal of 12112241023 is 32014221121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32014221121 = 56956264009.

It is a cyclic number.

It is not a de Polignac number, because 12112241023 - 21 = 12112241021 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 (12112241021) 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, 7049340 + ... + 7051057.

It is an arithmetic number, because the mean of its divisors is an integer number (3031585570).

Almost surely, 212112241023 is an apocalyptic number.

12112241023 is a deficient number, since it is larger than the sum of its proper divisors (14101257).

12112241023 is an equidigital number, since it uses as much as digits as its factorization.

12112241023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14101256.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12112241023 its reverse (32014221121), we get a palindrome (44126462144).

The spelling of 12112241023 in words is "twelve billion, one hundred twelve million, two hundred forty-one thousand, twenty-three".

Divisors: 1 859 14100397 12112241023