1200204122212 has 12 divisors (see below), whose sum is σ = 2100368257456. Its totient is φ = 600098905800.

The previous prime is 1200204122167. The next prime is 1200204122233. The reversal of 1200204122212 is 2122214020021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200204122212.

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, 206587 + ... + 1563037.

Almost surely, 2^{1200204122212} is an apocalyptic number.

It is an amenable number.

1200204122212 is a deficient number, since it is larger than the sum of its proper divisors (900164135244).

1200204122212 is a wasteful number, since it uses less digits than its factorization.

1200204122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577658 (or 1577656 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1200204122212 its reverse (2122214020021), we get a palindrome (3322418142233).

The spelling of 1200204122212 in words is "one trillion, two hundred billion, two hundred four million, one hundred twenty-two thousand, two hundred twelve".