12020748530 has 64 divisors (see below), whose sum is σ = 25768419840. Its totient is φ = 3950145024.

The previous prime is 12020748527. The next prime is 12020748533. The reversal of 12020748530 is 3584702021.

12020748530 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 (12020748527) and next prime (12020748533).

It is not an unprimeable number, because it can be changed into a prime (12020748533) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 256499 + ... + 299721.

It is an arithmetic number, because the mean of its divisors is an integer number (402631560).

Almost surely, 2^12020748530 is an apocalyptic number.

12020748530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020748530 is an abundant number, since it is smaller than the sum of its proper divisors (13747671310).

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

12020748530 is a wasteful number, since it uses less digits than its factorization.

12020748530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43403.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 12020748530 in words is "twelve billion, twenty million, seven hundred forty-eight thousand, five hundred thirty".