1310203120000 has 320 divisors, whose sum is σ = 3364922880000. Its totient is φ = 507693312000.

The previous prime is 1310203119991. The next prime is 1310203120001. The reversal of 1310203120000 is 213020131.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310203120001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 436878501 + ... + 436881499.

It is an arithmetic number, because the mean of its divisors is an integer number (10515384000).

Almost surely, 2^{1310203120000} is an apocalyptic number.

1310203120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310203120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682461440000).

1310203120000 is an abundant number, since it is smaller than the sum of its proper divisors (2054719760000).

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

1310203120000 is an equidigital number, since it uses as much as digits as its factorization.

1310203120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203 (or 3176 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1310203120000 its reverse (213020131), we get a palindrome (1310416140131).

The spelling of 1310203120000 in words is "one trillion, three hundred ten billion, two hundred three million, one hundred twenty thousand".