1200010012 has 12 divisors (see below), whose sum is σ = 2104804240. Its totient is φ = 598637376.

The previous prime is 1200010003. The next prime is 1200010033. The reversal of 1200010012 is 2100100021.

It is a junction number, because it is equal to n+sod(n) for n = 1200009977 and 1200010004.

It is a congruent number.

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, 339933 + ... + 343444.

Almost surely, 2^1200010012 is an apocalyptic number.

It is an amenable number.

1200010012 is a deficient number, since it is larger than the sum of its proper divisors (904794228).

1200010012 is a wasteful number, since it uses less digits than its factorization.

1200010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683820 (or 683818 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1200010012 is about 34641.1606618485. The cubic root of 1200010012 is about 1062.6615245459.

Adding to 1200010012 its reverse (2100100021), we get a palindrome (3300110033).

Subtracting 1200010012 from its reverse (2100100021), we obtain a palindrome (900090009).

The spelling of 1200010012 in words is "one billion, two hundred million, ten thousand, twelve".