1322012333312 has 72 divisors (see below), whose sum is σ = 2882867918112. Its totient is φ = 600056576000.

The previous prime is 1322012333303. The next prime is 1322012333381. The reversal of 1322012333312 is 2133332102231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639163 + ... + 2308869.

It is an arithmetic number, because the mean of its divisors is an integer number (40039832196).

Almost surely, 2^{1322012333312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322012333312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441433959056).

1322012333312 is an abundant number, since it is smaller than the sum of its proper divisors (1560855584800).

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

1322012333312 is an equidigital number, since it uses as much as digits as its factorization.

1322012333312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670435 (or 670421 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1322012333312 its reverse (2133332102231), we get a palindrome (3455344435543).

The spelling of 1322012333312 in words is "one trillion, three hundred twenty-two billion, twelve million, three hundred thirty-three thousand, three hundred twelve".