1320200012 has 24 divisors (see below), whose sum is σ = 2339981280. Its totient is φ = 651657600.

The previous prime is 1320199999. The next prime is 1320200033. The reversal of 1320200012 is 2100020231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1320199966 and 1320200002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256262 + ... + 261362.

It is an arithmetic number, because the mean of its divisors is an integer number (97499220).

Almost surely, 2^1320200012 is an apocalyptic number.

It is an amenable number.

1320200012 is a deficient number, since it is larger than the sum of its proper divisors (1019781268).

1320200012 is a wasteful number, since it uses less digits than its factorization.

1320200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5921 (or 5919 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1320200012 is about 36334.5567194647. The cubic root of 1320200012 is about 1097.0167130989.

Adding to 1320200012 its reverse (2100020231), we get a palindrome (3420220243).

The spelling of 1320200012 in words is "one billion, three hundred twenty million, two hundred thousand, twelve".