12020312001 has 8 divisors (see below), whose sum is σ = 16030061920. Its totient is φ = 8012051712.

The previous prime is 12020311997. The next prime is 12020312023. The reversal of 12020312001 is 10021302021.

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

It is not a de Polignac number, because 12020312001 - 2² = 12020311997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020311001) 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 7 ways as a sum of consecutive naturals, for example, 353440 + ... + 385953.

It is an arithmetic number, because the mean of its divisors is an integer number (2003757740).

Almost surely, 2^12020312001 is an apocalyptic number.

It is an amenable number.

12020312001 is a deficient number, since it is larger than the sum of its proper divisors (4009749919).

12020312001 is an equidigital number, since it uses as much as digits as its factorization.

12020312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744815.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12020312001 its reverse (10021302021), we get a palindrome (22041614022).

The spelling of 12020312001 in words is "twelve billion, twenty million, three hundred twelve thousand, one".