12526232540 has 24 divisors (see below), whose sum is σ = 26398712592. Its totient is φ = 4992659840.

The previous prime is 12526232503. The next prime is 12526232549. The reversal of 12526232540 is 4523262521.

It is a junction number, because it is equal to n+sod(n) for n = 12526232497 and 12526232506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12526232549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108814 + ... + 1120053.

It is an arithmetic number, because the mean of its divisors is an integer number (1099946358).

Almost surely, 2^12526232540 is an apocalyptic number.

12526232540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12526232540 is an abundant number, since it is smaller than the sum of its proper divisors (13872480052).

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

12526232540 is a wasteful number, since it uses less digits than its factorization.

12526232540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229157 (or 2229155 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 12526232540 in words is "twelve billion, five hundred twenty-six million, two hundred thirty-two thousand, five hundred forty".