1320345412 has 12 divisors (see below), whose sum is σ = 2313787840. Its totient is φ = 659263176.

The previous prime is 1320345319. The next prime is 1320345421. The reversal of 1320345412 is 2145430231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224112 + ... + 229927.

Almost surely, 2^1320345412 is an apocalyptic number.

It is an amenable number.

1320345412 is a deficient number, since it is larger than the sum of its proper divisors (993442428).

1320345412 is a wasteful number, since it uses less digits than its factorization.

1320345412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454770 (or 454768 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1320345412 is about 36336.5575144372. The cubic root of 1320345412 is about 1097.0569848691.

Adding to 1320345412 its reverse (2145430231), we get a palindrome (3465775643).

The spelling of 1320345412 in words is "one billion, three hundred twenty million, three hundred forty-five thousand, four hundred twelve".