12563234268 has 96 divisors (see below), whose sum is σ = 32950193472. Its totient is φ = 3700070400.

The previous prime is 12563234261. The next prime is 12563234273. The reversal of 12563234268 is 86243236521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12563234261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320458 + ... + 357518.

It is an arithmetic number, because the mean of its divisors is an integer number (343231182).

Almost surely, 2^12563234268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12563234268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16475096736).

12563234268 is an abundant number, since it is smaller than the sum of its proper divisors (20386959204).

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

12563234268 is a wasteful number, since it uses less digits than its factorization.

12563234268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37175 (or 37173 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The spelling of 12563234268 in words is "twelve billion, five hundred sixty-three million, two hundred thirty-four thousand, two hundred sixty-eight".