1204200312320 has 40 divisors (see below), whose sum is σ = 2887258411224. Its totient is φ = 481680123904.

The previous prime is 1204200312317. The next prime is 1204200312373. The reversal of 1204200312320 is 232130024021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1204200312292 and 1204200312301.

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 3 ways as a sum of consecutive naturals, for example, 235192814 + ... + 235197933.

Almost surely, 2^{1204200312320} is an apocalyptic number.

1204200312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204200312320 is an abundant number, since it is smaller than the sum of its proper divisors (1683058098904).

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

1204200312320 is an frugal number, since it uses more digits than its factorization.

1204200312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470390770 (or 470390754 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1204200312320 its reverse (232130024021), we get a palindrome (1436330336341).

The spelling of 1204200312320 in words is "one trillion, two hundred four billion, two hundred million, three hundred twelve thousand, three hundred twenty".