1329320412012 has 48 divisors (see below), whose sum is σ = 3123443629152. Its totient is φ = 440017797120.

The previous prime is 1329320411999. The next prime is 1329320412029. The reversal of 1329320412012 is 2102140239231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369808 + ... + 1671944.

It is an arithmetic number, because the mean of its divisors is an integer number (65071742274).

Almost surely, 2^{1329320412012} is an apocalyptic number.

1329320412012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1329320412012 is an abundant number, since it is smaller than the sum of its proper divisors (1794123217140).

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

1329320412012 is a wasteful number, since it uses less digits than its factorization.

1329320412012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302738 (or 1302736 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 1329320412012 in words is "one trillion, three hundred twenty-nine billion, three hundred twenty million, four hundred twelve thousand, twelve".