12029548021 has 8 divisors (see below), whose sum is σ = 12565365120. Its totient is φ = 11494797072.

The previous prime is 12029548019. The next prime is 12029548039. The reversal of 12029548021 is 12084592021.

12029548021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12029548021 - 2¹ = 12029548019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12029543021) 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 7 ways as a sum of consecutive naturals, for example, 243426 + ... + 288643.

It is an arithmetic number, because the mean of its divisors is an integer number (1570670640).

Almost surely, 2^12029548021 is an apocalyptic number.

It is an amenable number.

12029548021 is a deficient number, since it is larger than the sum of its proper divisors (535817099).

12029548021 is an equidigital number, since it uses as much as digits as its factorization.

12029548021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533075.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 12029548021 in words is "twelve billion, twenty-nine million, five hundred forty-eight thousand, twenty-one".