1320220000012 has 12 divisors (see below), whose sum is σ = 2313233815816. Its totient is φ = 659296052640.

The previous prime is 1320220000007. The next prime is 1320220000019. The reversal of 1320220000012 is 2100000220231.

It is a junction number, because it is equal to n+sod(n) for n = 1320219999947 and 1320220000001.

It is not an unprimeable number, because it can be changed into a prime (1320220000019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203483193 + ... + 203489680.

Almost surely, 2^{1320220000012} is an apocalyptic number.

It is an amenable number.

1320220000012 is a deficient number, since it is larger than the sum of its proper divisors (993013815804).

1320220000012 is a wasteful number, since it uses less digits than its factorization.

1320220000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406973688 (or 406973686 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1320220000012 its reverse (2100000220231), we get a palindrome (3420220220243).

The spelling of 1320220000012 in words is "one trillion, three hundred twenty billion, two hundred twenty million, twelve", and thus it is an aban number.