12021330001 has 8 divisors (see below), whose sum is σ = 12655517600. Its totient is φ = 11387291040.

The previous prime is 12021329899. The next prime is 12021330019. The reversal of 12021330001 is 10003312021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021330001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021330031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154165 + ... + 218653.

It is an arithmetic number, because the mean of its divisors is an integer number (1581939700).

Almost surely, 2^12021330001 is an apocalyptic number.

It is an amenable number.

12021330001 is a deficient number, since it is larger than the sum of its proper divisors (634187599).

12021330001 is an equidigital number, since it uses as much as digits as its factorization.

12021330001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74319.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12021330001 its reverse (10003312021), we get a palindrome (22024642022).

The spelling of 12021330001 in words is "twelve billion, twenty-one million, three hundred thirty thousand, one".