1200200012 has 48 divisors (see below), whose sum is σ = 2329326720. Its totient is φ = 536563200.

The previous prime is 1200199997. The next prime is 1200200021. The reversal of 1200200012 is 2100020021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763187 + ... + 764757.

It is an arithmetic number, because the mean of its divisors is an integer number (48527640).

Almost surely, 2^1200200012 is an apocalyptic number.

It is an amenable number.

1200200012 is a deficient number, since it is larger than the sum of its proper divisors (1129126708).

1200200012 is a wasteful number, since it uses less digits than its factorization.

1200200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1200200012 is about 34643.9029556429. The cubic root of 1200200012 is about 1062.7176060321.

Adding to 1200200012 its reverse (2100020021), we get a palindrome (3300220033).

Subtracting 1200200012 from its reverse (2100020021), we obtain a square (899820009 = 29997²).

The spelling of 1200200012 in words is "one billion, two hundred million, two hundred thousand, twelve".