1304412320000 has 180 divisors, whose sum is σ = 3424871252880. Its totient is φ = 494302464000.

The previous prime is 1304412319927. The next prime is 1304412320009. The reversal of 1304412320000 is 232144031.

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

It is not an unprimeable number, because it can be changed into a prime (1304412320009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2825459 + ... + 3254541.

It is an arithmetic number, because the mean of its divisors is an integer number (19027062516).

Almost surely, 2^{1304412320000} is an apocalyptic number.

1304412320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304412320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1712435626440).

1304412320000 is an abundant number, since it is smaller than the sum of its proper divisors (2120458932880).

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

1304412320000 is an frugal number, since it uses more digits than its factorization.

1304412320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429138 (or 429109 counting only the distinct ones).

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

Adding to 1304412320000 its reverse (232144031), we get a palindrome (1304644464031).

The spelling of 1304412320000 in words is "one trillion, three hundred four billion, four hundred twelve million, three hundred twenty thousand".