12001010001 has 32 divisors (see below), whose sum is σ = 16786828800. Its totient is φ = 7619589120.

The previous prime is 12001009963. The next prime is 12001010029. The reversal of 12001010001 is 10001010021.

It is not a de Polignac number, because 12001010001 - 2¹⁹ = 12000485713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001010401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 857875 + ... + 871751.

It is an arithmetic number, because the mean of its divisors is an integer number (524588400).

Almost surely, 2^12001010001 is an apocalyptic number.

It is an amenable number.

12001010001 is a deficient number, since it is larger than the sum of its proper divisors (4785818799).

12001010001 is a wasteful number, since it uses less digits than its factorization.

12001010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14089.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 12001010001 its reverse (10001010021), we get a palindrome (22002020022).

The spelling of 12001010001 in words is "twelve billion, one million, ten thousand, one".