1001201210012 has 12 divisors (see below), whose sum is σ = 1752121756056. Its totient is φ = 500594994000.

The previous prime is 1001201209999. The next prime is 1001201210021. The reversal of 1001201210012 is 2100121021001.

It is a junction number, because it is equal to n+sod(n) for n = 1001201209975 and 1001201210002.

It is a congruent number.

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, 987623 + ... + 1725630.

It is an arithmetic number, because the mean of its divisors is an integer number (146010146338).

Almost surely, 2^{1001201210012} is an apocalyptic number.

It is an amenable number.

1001201210012 is a deficient number, since it is larger than the sum of its proper divisors (750920546044).

1001201210012 is a wasteful number, since it uses less digits than its factorization.

1001201210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805508 (or 2805506 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001201210012 its reverse (2100121021001), we get a palindrome (3101322231013).

The spelling of 1001201210012 in words is "one trillion, one billion, two hundred one million, two hundred ten thousand, twelve".