12505102041 has 4 divisors (see below), whose sum is σ = 16673469392. Its totient is φ = 8336734692.

The previous prime is 12505102037. The next prime is 12505102079. The reversal of 12505102041 is 14020150521.

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.

It is not a de Polignac number, because 12505102041 - 2² = 12505102037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12505101999 and 12505102017.

It is not an unprimeable number, because it can be changed into a prime (12505102081) 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, 2084183671 + ... + 2084183676.

It is an arithmetic number, because the mean of its divisors is an integer number (4168367348).

Almost surely, 2^12505102041 is an apocalyptic number.

It is an amenable number.

12505102041 is a deficient number, since it is larger than the sum of its proper divisors (4168367351).

12505102041 is an equidigital number, since it uses as much as digits as its factorization.

12505102041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168367350.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 12505102041 its reverse (14020150521), we get a palindrome (26525252562).

The spelling of 12505102041 in words is "twelve billion, five hundred five million, one hundred two thousand, forty-one".