1312104020009 has 8 divisors (see below), whose sum is σ = 1312716109320. Its totient is φ = 1311492059136.

The previous prime is 1312104019979. The next prime is 1312104020057. The reversal of 1312104020009 is 9000204012131.

It can be written as a sum of positive squares in 4 ways, for example, as 433947610009 + 878156410000 = 658747^2 + 937100^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312104020009 - 2¹² = 1312104015913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312104620009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24649547 + ... + 24702719.

It is an arithmetic number, because the mean of its divisors is an integer number (164089513665).

Almost surely, 2^{1312104020009} is an apocalyptic number.

It is an amenable number.

1312104020009 is a deficient number, since it is larger than the sum of its proper divisors (612089311).

1312104020009 is an equidigital number, since it uses as much as digits as its factorization.

1312104020009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64219.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 1312104020009 in words is "one trillion, three hundred twelve billion, one hundred four million, twenty thousand, nine".