1323081712 has 20 divisors (see below), whose sum is σ = 2714263776. Its totient is φ = 622626560.

The previous prime is 1323081709. The next prime is 1323081713. The reversal of 1323081712 is 2171803231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323081713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2431864 + ... + 2432407.

Almost surely, 2^1323081712 is an apocalyptic number.

It is an amenable number.

1323081712 is an abundant number, since it is smaller than the sum of its proper divisors (1391182064).

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

1323081712 is a wasteful number, since it uses less digits than its factorization.

1323081712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864296 (or 4864290 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1323081712 is about 36374.1901902984. The cubic root of 1323081712 is about 1097.8143133873.

Adding to 1323081712 its reverse (2171803231), we get a palindrome (3494884943).

The spelling of 1323081712 in words is "one billion, three hundred twenty-three million, eighty-one thousand, seven hundred twelve".