1321364320024 has 24 divisors (see below), whose sum is σ = 2882057382540. Its totient is φ = 566298994128.

The previous prime is 1321364320019. The next prime is 1321364320027. The reversal of 1321364320024 is 4200234631231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321364320027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1685413282 + ... + 1685414065.

Almost surely, 2^{1321364320024} is an apocalyptic number.

1321364320024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1321364320024 is an abundant number, since it is smaller than the sum of its proper divisors (1560693062516).

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

1321364320024 is a wasteful number, since it uses less digits than its factorization.

1321364320024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370827367 (or 3370827356 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1321364320024 its reverse (4200234631231), we get a palindrome (5521598951255).

The spelling of 1321364320024 in words is "one trillion, three hundred twenty-one billion, three hundred sixty-four million, three hundred twenty thousand, twenty-four".