12502641540 has 48 divisors (see below), whose sum is σ = 35012355840. Its totient is φ = 3333565440.

The previous prime is 12502641493. The next prime is 12502641563. The reversal of 12502641540 is 4514620521.

12502641540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12502641498 and 12502641507.

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 15 ways as a sum of consecutive naturals, for example, 691941 + ... + 709779.

It is an arithmetic number, because the mean of its divisors is an integer number (729424080).

Almost surely, 2^12502641540 is an apocalyptic number.

12502641540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12502641540 is an abundant number, since it is smaller than the sum of its proper divisors (22509714300).

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

12502641540 is a wasteful number, since it uses less digits than its factorization.

12502641540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29532 (or 29530 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 12502641540 in words is "twelve billion, five hundred two million, six hundred forty-one thousand, five hundred forty".