1200212000012 has 12 divisors (see below), whose sum is σ = 2100401429280. Its totient is φ = 600097305936.

The previous prime is 1200211999997. The next prime is 1200212000017. The reversal of 1200212000012 is 2100002120021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200211999957 and 1200212000002.

It is not an unprimeable number, because it can be changed into a prime (1200212000017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1857812 + ... + 2419067.

It is an arithmetic number, because the mean of its divisors is an integer number (175033452440).

Almost surely, 2^{1200212000012} is an apocalyptic number.

It is an amenable number.

1200212000012 is a deficient number, since it is larger than the sum of its proper divisors (900189429268).

1200212000012 is a wasteful number, since it uses less digits than its factorization.

1200212000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347040 (or 4347038 counting only the distinct ones).

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

Adding to 1200212000012 its reverse (2100002120021), we get a palindrome (3300214120033).

The spelling of 1200212000012 in words is "one trillion, two hundred billion, two hundred twelve million, twelve", and thus it is an aban number.