1312242020000 has 240 divisors, whose sum is σ = 3255097285440. Its totient is φ = 520563456000.

The previous prime is 1312242019993. The next prime is 1312242020051. The reversal of 1312242020000 is 202422131.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1766139629 + ... + 1766140371.

It is an arithmetic number, because the mean of its divisors is an integer number (13562905356).

Almost surely, 2^{1312242020000} is an apocalyptic number.

1312242020000 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 1312242020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627548642720).

1312242020000 is an abundant number, since it is smaller than the sum of its proper divisors (1942855265440).

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

1312242020000 is an equidigital number, since it uses as much as digits as its factorization.

1312242020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1312242020000 its reverse (202422131), we get a palindrome (1312444442131).

The spelling of 1312242020000 in words is "one trillion, three hundred twelve billion, two hundred forty-two million, twenty thousand".