1200020200012 has 12 divisors (see below), whose sum is σ = 2100401441320. Its totient is φ = 599905502496.

The previous prime is 1200020199991. The next prime is 1200020200103. The reversal of 1200020200012 is 2100020200021.

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, 26123562 + ... + 26169457.

Almost surely, 2^{1200020200012} is an apocalyptic number.

It is an amenable number.

1200020200012 is a deficient number, since it is larger than the sum of its proper divisors (900381241308).

1200020200012 is a wasteful number, since it uses less digits than its factorization.

1200020200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52298760 (or 52298758 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1200020200012 its reverse (2100020200021), we get a palindrome (3300040400033).

Subtracting 1200020200012 from its reverse (2100020200021), we obtain a palindrome (900000000009).

The spelling of 1200020200012 in words is "one trillion, two hundred billion, twenty million, two hundred thousand, twelve".