12540184052 has 12 divisors (see below), whose sum is σ = 23940351456. Its totient is φ = 5700083640.

The previous prime is 12540184051. The next prime is 12540184067. The reversal of 12540184052 is 25048104521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12540184051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142502048 + ... + 142502135.

It is an arithmetic number, because the mean of its divisors is an integer number (1995029288).

Almost surely, 2^12540184052 is an apocalyptic number.

It is an amenable number.

12540184052 is a deficient number, since it is larger than the sum of its proper divisors (11400167404).

12540184052 is a wasteful number, since it uses less digits than its factorization.

12540184052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285004198 (or 285004196 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 12540184052 its reverse (25048104521), we get a palindrome (37588288573).

The spelling of 12540184052 in words is "twelve billion, five hundred forty million, one hundred eighty-four thousand, fifty-two".