12525140140 has 12 divisors (see below), whose sum is σ = 26302794336. Its totient is φ = 5010056048.

The previous prime is 12525140101. The next prime is 12525140161. The reversal of 12525140140 is 4104152521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313128484 + ... + 313128523.

It is an arithmetic number, because the mean of its divisors is an integer number (2191899528).

Almost surely, 2^12525140140 is an apocalyptic number.

12525140140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12525140140 is an abundant number, since it is smaller than the sum of its proper divisors (13777654196).

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

12525140140 is a wasteful number, since it uses less digits than its factorization.

12525140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626257016 (or 626257014 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 12525140140 its reverse (4104152521), we get a palindrome (16629292661).

The spelling of 12525140140 in words is "twelve billion, five hundred twenty-five million, one hundred forty thousand, one hundred forty".