1200020011012 has 12 divisors (see below), whose sum is σ = 2210563178320. Its totient is φ = 568430531496.

The previous prime is 1200020011009. The next prime is 1200020011129. The reversal of 1200020011012 is 2101100200021.

It is a super-3 number, since 3×1200020011012³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200020011012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7894868418 + ... + 7894868569.

Almost surely, 2^{1200020011012} is an apocalyptic number.

It is an amenable number.

1200020011012 is a deficient number, since it is larger than the sum of its proper divisors (1010543167308).

1200020011012 is a wasteful number, since it uses less digits than its factorization.

1200020011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15789737010 (or 15789737008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1200020011012 its reverse (2101100200021), we get a palindrome (3301120211033).

The spelling of 1200020011012 in words is "one trillion, two hundred billion, twenty million, eleven thousand, twelve".