12520125330 has 16 divisors (see below), whose sum is σ = 30048300864. Its totient is φ = 3338700080.

The previous prime is 12520125307. The next prime is 12520125353. The reversal of 12520125330 is 3352102521.

It is a happy number.

12520125330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12520125307) and next prime (12520125353).

It is a self number, because there is not a number n which added to its sum of digits gives 12520125330.

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 7 ways as a sum of consecutive naturals, for example, 208668726 + ... + 208668785.

It is an arithmetic number, because the mean of its divisors is an integer number (1878018804).

Almost surely, 2^12520125330 is an apocalyptic number.

12520125330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12520125330 is an abundant number, since it is smaller than the sum of its proper divisors (17528175534).

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

12520125330 is a wasteful number, since it uses less digits than its factorization.

12520125330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417337521.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 12520125330 its reverse (3352102521), we get a palindrome (15872227851).

The spelling of 12520125330 in words is "twelve billion, five hundred twenty million, one hundred twenty-five thousand, three hundred thirty".