1320331121412 has 24 divisors (see below), whose sum is σ = 3081432018336. Its totient is φ = 440016173568.

The previous prime is 1320331121383. The next prime is 1320331121449. The reversal of 1320331121412 is 2141211330231.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11716618 + ... + 11828769.

It is an arithmetic number, because the mean of its divisors is an integer number (128393000764).

Almost surely, 2^{1320331121412} is an apocalyptic number.

1320331121412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320331121412 is an abundant number, since it is smaller than the sum of its proper divisors (1761100896924).

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

1320331121412 is a wasteful number, since it uses less digits than its factorization.

1320331121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23550067 (or 23550065 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1320331121412 its reverse (2141211330231), we get a palindrome (3461542451643).

The spelling of 1320331121412 in words is "one trillion, three hundred twenty billion, three hundred thirty-one million, one hundred twenty-one thousand, four hundred twelve".