12020748529 has 16 divisors (see below), whose sum is σ = 12339714816. Its totient is φ = 11704608000.

The previous prime is 12020748527. The next prime is 12020748533. The reversal of 12020748529 is 92584702021.

12020748529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12020748529 - 2¹ = 12020748527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020748491 and 12020748500.

It is not an unprimeable number, because it can be changed into a prime (12020748527) 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 15 ways as a sum of consecutive naturals, for example, 10761079 + ... + 10762195.

It is an arithmetic number, because the mean of its divisors is an integer number (771232176).

Almost surely, 2^12020748529 is an apocalyptic number.

It is an amenable number.

12020748529 is a deficient number, since it is larger than the sum of its proper divisors (318966287).

12020748529 is a wasteful number, since it uses less digits than its factorization.

12020748529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 12020748529 in words is "twelve billion, twenty million, seven hundred forty-eight thousand, five hundred twenty-nine".