1312034321004 has 96 divisors (see below), whose sum is σ = 3372809207040. Its totient is φ = 393666508800.

The previous prime is 1312034320867. The next prime is 1312034321009. The reversal of 1312034321004 is 4001234302131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1312034321009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5386164 + ... + 5624484.

It is an arithmetic number, because the mean of its divisors is an integer number (35133429240).

Almost surely, 2^{1312034321004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312034321004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1686404603520).

1312034321004 is an abundant number, since it is smaller than the sum of its proper divisors (2060774886036).

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

1312034321004 is a wasteful number, since it uses less digits than its factorization.

1312034321004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238751 (or 238749 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1312034321004 its reverse (4001234302131), we get a palindrome (5313268623135).

The spelling of 1312034321004 in words is "one trillion, three hundred twelve billion, thirty-four million, three hundred twenty-one thousand, four".