1326047999999 has 4 divisors (see below), whose sum is σ = 1326512142864. Its totient is φ = 1325583857136.

The previous prime is 1326047999977. The next prime is 1326048000031. The reversal of 1326047999999 is 9999997406231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1326047999999 - 2⁸ = 1326047999743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326047993999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232067147 + ... + 232072860.

It is an arithmetic number, because the mean of its divisors is an integer number (331628035716).

Almost surely, 2^{1326047999999} is an apocalyptic number.

1326047999999 is a deficient number, since it is larger than the sum of its proper divisors (464142865).

1326047999999 is an equidigital number, since it uses as much as digits as its factorization.

1326047999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464142864.

The product of its (nonzero) digits is 535692528, while the sum is 77.

The spelling of 1326047999999 in words is "one trillion, three hundred twenty-six billion, forty-seven million, nine hundred ninety-nine thousand, nine hundred ninety-nine".