12536262780 has 96 divisors (see below), whose sum is σ = 35800579584. Its totient is φ = 3276559104.

The previous prime is 12536262737. The next prime is 12536262797. The reversal of 12536262780 is 8726263521.

12536262780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5172649 + ... + 5175071.

It is an arithmetic number, because the mean of its divisors is an integer number (372922704).

Almost surely, 2^12536262780 is an apocalyptic number.

12536262780 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 12536262780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17900289792).

12536262780 is an abundant number, since it is smaller than the sum of its proper divisors (23264316804).

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

12536262780 is a wasteful number, since it uses less digits than its factorization.

12536262780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115 (or 4113 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 12536262780 in words is "twelve billion, five hundred thirty-six million, two hundred sixty-two thousand, seven hundred eighty".