12541340105 has 16 divisors (see below), whose sum is σ = 17247479040. Its totient is φ = 8575812672.

The previous prime is 12541340093. The next prime is 12541340107. The reversal of 12541340105 is 50104314521.

It is not a de Polignac number, because 12541340105 - 2⁶ = 12541340041 is a prime.

It is a super-2 number, since 2×12541340105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12541340107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486494 + ... + 511623.

It is an arithmetic number, because the mean of its divisors is an integer number (1077967440).

Almost surely, 2^12541340105 is an apocalyptic number.

It is an amenable number.

12541340105 is a deficient number, since it is larger than the sum of its proper divisors (4706138935).

12541340105 is an equidigital number, since it uses as much as digits as its factorization.

12541340105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998488.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 12541340105 its reverse (50104314521), we get a palindrome (62645654626).

The spelling of 12541340105 in words is "twelve billion, five hundred forty-one million, three hundred forty thousand, one hundred five".