1320045412 has 12 divisors (see below), whose sum is σ = 2640090880. Its totient is φ = 565733736.

The previous prime is 1320045407. The next prime is 1320045413. The reversal of 1320045412 is 2145400231.

1320045412 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1320045413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23572212 + ... + 23572267.

Almost surely, 2^1320045412 is an apocalyptic number.

It is an amenable number.

1320045412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320045412 is a wasteful number, since it uses less digits than its factorization.

1320045412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47144490 (or 47144488 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1320045412 is about 36332.4292058761. The cubic root of 1320045412 is about 1096.9738899400.

Adding to 1320045412 its reverse (2145400231), we get a palindrome (3465445643).

The spelling of 1320045412 in words is "one billion, three hundred twenty million, forty-five thousand, four hundred twelve".