1312304002044 has 48 divisors (see below), whose sum is σ = 3584830454016. Its totient is φ = 365799024000.

The previous prime is 1312304002033. The next prime is 1312304002049. The reversal of 1312304002044 is 4402004032131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312304002049) 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, 190516882 + ... + 190523769.

It is an arithmetic number, because the mean of its divisors is an integer number (74683967792).

Almost surely, 2^{1312304002044} is an apocalyptic number.

1312304002044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1312304002044 is an abundant number, since it is smaller than the sum of its proper divisors (2272526451972).

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

1312304002044 is a wasteful number, since it uses less digits than its factorization.

1312304002044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381040706 (or 381040704 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1312304002044 its reverse (4402004032131), we get a palindrome (5714308034175).

The spelling of 1312304002044 in words is "one trillion, three hundred twelve billion, three hundred four million, two thousand, forty-four".