12526105020 has 192 divisors, whose sum is σ = 41273197056. Its totient is φ = 2798392320.

The previous prime is 12526105001. The next prime is 12526105021. The reversal of 12526105020 is 2050162521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12526105021) 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 63 ways as a sum of consecutive naturals, for example, 9583207 + ... + 9584513.

It is an arithmetic number, because the mean of its divisors is an integer number (214964568).

Almost surely, 2^12526105020 is an apocalyptic number.

12526105020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12526105020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20636598528).

12526105020 is an abundant number, since it is smaller than the sum of its proper divisors (28747092036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12526105020 is a wasteful number, since it uses less digits than its factorization.

12526105020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460 (or 2458 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 12526105020 its reverse (2050162521), we get a palindrome (14576267541).

The spelling of 12526105020 in words is "twelve billion, five hundred twenty-six million, one hundred five thousand, twenty".