1329223712 has 48 divisors (see below), whose sum is σ = 2664500832. Its totient is φ = 652608000.

The previous prime is 1329223711. The next prime is 1329223723. The reversal of 1329223712 is 2173229231.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1329223711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585203 + ... + 587469.

It is an arithmetic number, because the mean of its divisors is an integer number (55510434).

Almost surely, 2^1329223712 is an apocalyptic number.

It is an amenable number.

1329223712 is an abundant number, since it is smaller than the sum of its proper divisors (1335277120).

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

1329223712 is a wasteful number, since it uses less digits than its factorization.

1329223712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601 (or 2593 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 1329223712 is about 36458.5204307580. The cubic root of 1329223712 is about 1099.5104466201.

The spelling of 1329223712 in words is "one billion, three hundred twenty-nine million, two hundred twenty-three thousand, seven hundred twelve".