1321364235200 has 42 divisors (see below), whose sum is σ = 3251381875176. Its totient is φ = 528545693440.

The previous prime is 1321364235193. The next prime is 1321364235211. The reversal of 1321364235200 is 25324631231.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 412924724 + ... + 412927923.

Almost surely, 2^{1321364235200} is an apocalyptic number.

1321364235200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321364235200 is an abundant number, since it is smaller than the sum of its proper divisors (1930017639976).

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

1321364235200 is an equidigital number, since it uses as much as digits as its factorization.

1321364235200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825852669 (or 825852654 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 1321364235200 its reverse (25324631231), we get a palindrome (1346688866431).

The spelling of 1321364235200 in words is "one trillion, three hundred twenty-one billion, three hundred sixty-four million, two hundred thirty-five thousand, two hundred".