12526123412 has 48 divisors (see below), whose sum is σ = 24577889280. Its totient is φ = 5535734400.

The previous prime is 12526123391. The next prime is 12526123417. The reversal of 12526123412 is 21432162521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12526123417) 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 15 ways as a sum of consecutive naturals, for example, 3692237 + ... + 3695627.

It is an arithmetic number, because the mean of its divisors is an integer number (512039360).

Almost surely, 2^12526123412 is an apocalyptic number.

It is an amenable number.

12526123412 is a deficient number, since it is larger than the sum of its proper divisors (12051765868).

12526123412 is a wasteful number, since it uses less digits than its factorization.

12526123412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712 (or 5710 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

Adding to 12526123412 its reverse (21432162521), we get a palindrome (33958285933).

The spelling of 12526123412 in words is "twelve billion, five hundred twenty-six million, one hundred twenty-three thousand, four hundred twelve".