1320069438772 has 18 divisors (see below), whose sum is σ = 2687284215042. Its totient is φ = 565744045104.

The previous prime is 1320069438767. The next prime is 1320069438817. The reversal of 1320069438772 is 2778349600231.

It can be written as a sum of positive squares in only one way, i.e., 1072976935716 + 247092503056 = 1035846^2 + 497084^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 3367523883 + ... + 3367524274.

Almost surely, 2^{1320069438772} is an apocalyptic number.

It is an amenable number.

1320069438772 is an abundant number, since it is smaller than the sum of its proper divisors (1367214776270).

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

1320069438772 is a wasteful number, since it uses less digits than its factorization.

1320069438772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735048175 (or 6735048166 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 1320069438772 in words is "one trillion, three hundred twenty billion, sixty-nine million, four hundred thirty-eight thousand, seven hundred seventy-two".