12530182776 has 64 divisors (see below), whose sum is σ = 33032006400. Its totient is φ = 3949959168.

The previous prime is 12530182723. The next prime is 12530182789. The reversal of 12530182776 is 67728103521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239301 + ... + 286923.

It is an arithmetic number, because the mean of its divisors is an integer number (516125100).

Almost surely, 2^12530182776 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 12530182776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16516003200).

12530182776 is an abundant number, since it is smaller than the sum of its proper divisors (20501823624).

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

12530182776 is a wasteful number, since it uses less digits than its factorization.

12530182776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48228 (or 48224 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 12530182776 in words is "twelve billion, five hundred thirty million, one hundred eighty-two thousand, seven hundred seventy-six".