1200002000012 has 6 divisors (see below), whose sum is σ = 2100003500028. Its totient is φ = 600001000004.

The previous prime is 1200002000003. The next prime is 1200002000017. The reversal of 1200002000012 is 2100002000021.

It is not an unprimeable number, because it can be changed into a prime (1200002000017) 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 as a sum of consecutive naturals, namely, 150000249998 + ... + 150000250005.

It is an arithmetic number, because the mean of its divisors is an integer number (350000583338).

Almost surely, 2^{1200002000012} is an apocalyptic number.

It is an amenable number.

1200002000012 is a deficient number, since it is larger than the sum of its proper divisors (900001500016).

1200002000012 is a wasteful number, since it uses less digits than its factorization.

1200002000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300000500007 (or 300000500005 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1200002000012 its reverse (2100002000021), we get a palindrome (3300004000033).

Subtracting 1200002000012 from its reverse (2100002000021), we obtain a palindrome (900000000009).

The spelling of 1200002000012 in words is "one trillion, two hundred billion, two million, twelve", and thus it is an aban number.