1200212012 has 12 divisors (see below), whose sum is σ = 2102581656. Its totient is φ = 599474400.

The previous prime is 1200211997. The next prime is 1200212017. The reversal of 1200212012 is 2102120021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200211984 and 1200212002.

It is not an unprimeable number, because it can be changed into a prime (1200212017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153614 + ... + 161237.

It is an arithmetic number, because the mean of its divisors is an integer number (175215138).

Almost surely, 2^1200212012 is an apocalyptic number.

It is an amenable number.

1200212012 is a deficient number, since it is larger than the sum of its proper divisors (902369644).

1200212012 is a wasteful number, since it uses less digits than its factorization.

1200212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315808 (or 315806 counting only the distinct ones).

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

The square root of 1200212012 is about 34644.0761458579. The cubic root of 1200212012 is about 1062.7211478220.

Adding to 1200212012 its reverse (2102120021), we get a palindrome (3302332033).

The spelling of 1200212012 in words is "one billion, two hundred million, two hundred twelve thousand, twelve".