2001212002 has 8 divisors (see below), whose sum is σ = 3071627856. Its totient is φ = 977336052.

The previous prime is 2001211981. The next prime is 2001212021. The reversal of 2001212002 is 2002121002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2001212002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11634868 + ... + 11635039.

It is an arithmetic number, because the mean of its divisors is an integer number (383953482).

Almost surely, 2^2001212002 is an apocalyptic number.

2001212002 is a deficient number, since it is larger than the sum of its proper divisors (1070415854).

2001212002 is a wasteful number, since it uses less digits than its factorization.

2001212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23269952.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2001212002 is about 44734.9080920035. The cubic root of 2001212002 is about 1260.1755029742.

Adding to 2001212002 its reverse (2002121002), we get a palindrome (4003333004).

The spelling of 2001212002 in words is "two billion, one million, two hundred twelve thousand, two".