1200200201012 has 48 divisors (see below), whose sum is σ = 2235415076160. Its totient is φ = 562940243712.

The previous prime is 1200200200981. The next prime is 1200200201047. The reversal of 1200200201012 is 2101020020021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200200200984 and 1200200201002.

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 15 ways as a sum of consecutive naturals, for example, 490358 + ... + 1625069.

It is an arithmetic number, because the mean of its divisors is an integer number (46571147420).

Almost surely, 2^{1200200201012} is an apocalyptic number.

It is an amenable number.

1200200201012 is a deficient number, since it is larger than the sum of its proper divisors (1035214875148).

1200200201012 is a wasteful number, since it uses less digits than its factorization.

1200200201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115600 (or 2115598 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200200201012 its reverse (2101020020021), we get a palindrome (3301220221033).

The spelling of 1200200201012 in words is "one trillion, two hundred billion, two hundred million, two hundred one thousand, twelve".