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12124443241 = 12967935023
BaseRepresentation
bin10110100101010110…
…00101001001101001
31011021222021112101101
423102223011021221
5144312324140431
65323032521401
7606312032011
oct132253051151
934258245341
1012124443241
115161a28729
122424550261
1311b2b85c91
14830372c41
154ae652961
hex2d2ac5269

12124443241 has 4 divisors (see below), whose sum is σ = 12125391232. Its totient is φ = 12123495252.

The previous prime is 12124443217. The next prime is 12124443311. The reversal of 12124443241 is 14234442121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14234442121 = 21167461811.

It is a cyclic number.

It is not a de Polignac number, because 12124443241 - 211 = 12124441193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12124443341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454545 + ... + 480478.

It is an arithmetic number, because the mean of its divisors is an integer number (3031347808).

Almost surely, 212124443241 is an apocalyptic number.

It is an amenable number.

12124443241 is a deficient number, since it is larger than the sum of its proper divisors (947991).

12124443241 is an equidigital number, since it uses as much as digits as its factorization.

12124443241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947990.

The product of its digits is 6144, while the sum is 28.

Adding to 12124443241 its reverse (14234442121), we get a palindrome (26358885362).

The spelling of 12124443241 in words is "twelve billion, one hundred twenty-four million, four hundred forty-three thousand, two hundred forty-one".

Divisors: 1 12967 935023 12124443241