12524633520 has 160 divisors (see below), whose sum is σ = 45210534912. Its totient is φ = 2808738816.

The previous prime is 12524633479. The next prime is 12524633531. The reversal of 12524633520 is 2533642521.

It is a happy number.

It is a super-4 number, since 4×12524633520⁴ (a number of 41 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18709 + ... + 159371.

Almost surely, 2^12524633520 is an apocalyptic number.

12524633520 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 12524633520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22605267456).

12524633520 is an abundant number, since it is smaller than the sum of its proper divisors (32685901392).

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

12524633520 is a wasteful number, since it uses less digits than its factorization.

12524633520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140739 (or 140733 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Subtracting from 12524633520 its reverse (2533642521), we obtain a palindrome (9990990999).

It can be divided in two parts, 125246 and 33520, that added together give a triangular number (158766 = T₅₆₃).

The spelling of 12524633520 in words is "twelve billion, five hundred twenty-four million, six hundred thirty-three thousand, five hundred twenty".