12503125340 has 12 divisors (see below), whose sum is σ = 26256563256. Its totient is φ = 5001250128.

The previous prime is 12503125339. The next prime is 12503125343. The reversal of 12503125340 is 4352130521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503125343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312578114 + ... + 312578153.

It is an arithmetic number, because the mean of its divisors is an integer number (2188046938).

Almost surely, 2^12503125340 is an apocalyptic number.

12503125340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12503125340 is an abundant number, since it is smaller than the sum of its proper divisors (13753437916).

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

12503125340 is a wasteful number, since it uses less digits than its factorization.

12503125340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625156276 (or 625156274 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 12503125340 its reverse (4352130521), we get a palindrome (16855255861).

The spelling of 12503125340 in words is "twelve billion, five hundred three million, one hundred twenty-five thousand, three hundred forty".