1012200021208 has 32 divisors (see below), whose sum is σ = 1946298087360. Its totient is φ = 493276561920.

The previous prime is 1012200021193. The next prime is 1012200021229. The reversal of 1012200021208 is 8021200022101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5494491 + ... + 5675722.

It is an arithmetic number, because the mean of its divisors is an integer number (60821815230).

Almost surely, 2^{1012200021208} is an apocalyptic number.

It is an amenable number.

1012200021208 is a deficient number, since it is larger than the sum of its proper divisors (934098066152).

1012200021208 is a wasteful number, since it uses less digits than its factorization.

1012200021208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11170507 (or 11170503 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1012200021208 its reverse (8021200022101), we get a palindrome (9033400043309).

The spelling of 1012200021208 in words is "one trillion, twelve billion, two hundred million, twenty-one thousand, two hundred eight".