12001001002 has 16 divisors (see below), whose sum is σ = 18334628352. Its totient is φ = 5890237920.

The previous prime is 12001000997. The next prime is 12001001011. The reversal of 12001001002 is 20010010021.

12001001002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 163978 + ... + 225589.

It is an arithmetic number, because the mean of its divisors is an integer number (1145914272).

Almost surely, 2^12001001002 is an apocalyptic number.

12001001002 is a deficient number, since it is larger than the sum of its proper divisors (6333627350).

12001001002 is a wasteful number, since it uses less digits than its factorization.

12001001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389853.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12001001002 its reverse (20010010021), we get a palindrome (32011011023).

The spelling of 12001001002 in words is "twelve billion, one million, one thousand, two".