12510255240 has 96 divisors (see below), whose sum is σ = 46466671680. Its totient is φ = 2859486336.

The previous prime is 12510255227. The next prime is 12510255283. The reversal of 12510255240 is 4255201521.

12510255240 is a `hidden beast` number, since 1 + 2 + 5 + 102 + 552 + 4 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2479674 + ... + 2484713.

It is an arithmetic number, because the mean of its divisors is an integer number (484027830).

Almost surely, 2^12510255240 is an apocalyptic number.

12510255240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12510255240 is an abundant number, since it is smaller than the sum of its proper divisors (33956416440).

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

12510255240 is a wasteful number, since it uses less digits than its factorization.

12510255240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964411 (or 4964404 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 12510255240 its reverse (4255201521), we get a palindrome (16765456761).

The spelling of 12510255240 in words is "twelve billion, five hundred ten million, two hundred fifty-five thousand, two hundred forty".