1325200000000 has 198 divisors, whose sum is σ = 3312380139998. Its totient is φ = 529920000000.

The previous prime is 1325199999983. The next prime is 1325200000021. The reversal of 1325200000000 is 25231.

It can be written as a sum of positive squares in 9 ways, for example, as 766031053824 + 559168946176 = 875232^2 + 747776^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 399998344 + ... + 400001656.

Almost surely, 2^{1325200000000} is an apocalyptic number.

1325200000000 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 1325200000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1656190069999).

1325200000000 is an abundant number, since it is smaller than the sum of its proper divisors (1987180139998).

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

1325200000000 is an frugal number, since it uses more digits than its factorization.

1325200000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373 (or 3320 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

Adding to 1325200000000 its reverse (25231), we get a palindrome (1325200025231).

The spelling of 1325200000000 in words is "one trillion, three hundred twenty-five billion, two hundred million", and thus it is an aban number.