1320223012 has 12 divisors (see below), whose sum is σ = 2310680176. Its totient is φ = 660028680.

The previous prime is 1320222989. The next prime is 1320223019. The reversal of 1320223012 is 2103220231.

It is not an unprimeable number, because it can be changed into a prime (1320223019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27763 + ... + 58405.

Almost surely, 2^1320223012 is an apocalyptic number.

It is an amenable number.

1320223012 is a deficient number, since it is larger than the sum of its proper divisors (990457164).

1320223012 is a wasteful number, since it uses less digits than its factorization.

1320223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41418 (or 41416 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1320223012 is about 36334.8732211907. The cubic root of 1320223012 is about 1097.0230836583.

Adding to 1320223012 its reverse (2103220231), we get a palindrome (3423443243).

The spelling of 1320223012 in words is "one billion, three hundred twenty million, two hundred twenty-three thousand, twelve".