12020383529 has 32 divisors (see below), whose sum is σ = 15365323776. Its totient is φ = 9130605120.

The previous prime is 12020383523. The next prime is 12020383541. The reversal of 12020383529 is 92538302021.

It is a de Polignac number, because none of the positive numbers 2^k-12020383529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12020383523) 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 31 ways as a sum of consecutive naturals, for example, 1807799 + ... + 1814435.

It is an arithmetic number, because the mean of its divisors is an integer number (480166368).

Almost surely, 2^12020383529 is an apocalyptic number.

It is an amenable number.

12020383529 is a deficient number, since it is larger than the sum of its proper divisors (3344940247).

12020383529 is a wasteful number, since it uses less digits than its factorization.

12020383529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7245.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 12020383529 in words is "twelve billion, twenty million, three hundred eighty-three thousand, five hundred twenty-nine".