1321002004300 has 36 divisors (see below), whose sum is σ = 3127172020056. Its totient is φ = 480364364800.

The previous prime is 1321002004277. The next prime is 1321002004313. The reversal of 1321002004300 is 34002001231.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 600454357 + ... + 600456556.

It is an arithmetic number, because the mean of its divisors is an integer number (86865889446).

Almost surely, 2^{1321002004300} is an apocalyptic number.

1321002004300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321002004300 is an abundant number, since it is smaller than the sum of its proper divisors (1806170015756).

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

1321002004300 is a wasteful number, since it uses less digits than its factorization.

1321002004300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200910938 (or 1200910931 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1321002004300 its reverse (34002001231), we get a palindrome (1355004005531).

The spelling of 1321002004300 in words is "one trillion, three hundred twenty-one billion, two million, four thousand, three hundred".