2002121200012 has 12 divisors (see below), whose sum is σ = 3504193231896. Its totient is φ = 1000923133760.

The previous prime is 2002121199989. The next prime is 2002121200033. The reversal of 2002121200012 is 2100021212002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2002121199965 and 2002121200001.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34333789 + ... + 34392052.

It is an arithmetic number, because the mean of its divisors is an integer number (292016102658).

Almost surely, 2^{2002121200012} is an apocalyptic number.

It is an amenable number.

2002121200012 is a deficient number, since it is larger than the sum of its proper divisors (1502072031884).

2002121200012 is a wasteful number, since it uses less digits than its factorization.

2002121200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68733128 (or 68733126 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2002121200012 its reverse (2100021212002), we get a palindrome (4102142412014).

The spelling of 2002121200012 in words is "two trillion, two billion, one hundred twenty-one million, two hundred thousand, twelve".