1304400012999 has 16 divisors (see below), whose sum is σ = 1763975934720. Its totient is φ = 857215941120.

The previous prime is 1304400012919. The next prime is 1304400013001. The reversal of 1304400012999 is 9992100044031.

It is not a de Polignac number, because 1304400012999 - 2¹² = 1304400008903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304400012999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304400012919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866592 + ... + 1832970.

It is an arithmetic number, because the mean of its divisors is an integer number (110248495920).

Almost surely, 2^{1304400012999} is an apocalyptic number.

1304400012999 is a deficient number, since it is larger than the sum of its proper divisors (459575921721).

1304400012999 is an equidigital number, since it uses as much as digits as its factorization.

1304400012999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972790.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 1304400012999 in words is "one trillion, three hundred four billion, four hundred million, twelve thousand, nine hundred ninety-nine".