1325222532140 has 96 divisors (see below), whose sum is σ = 3097423687680. Its totient is φ = 472961836800.

The previous prime is 1325222532133. The next prime is 1325222532157. The reversal of 1325222532140 is 412352225231.

It is a junction number, because it is equal to n+sod(n) for n = 1325222532097 and 1325222532106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6664355 + ... + 6860325.

It is an arithmetic number, because the mean of its divisors is an integer number (32264830080).

Almost surely, 2^{1325222532140} is an apocalyptic number.

1325222532140 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 1325222532140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548711843840).

1325222532140 is an abundant number, since it is smaller than the sum of its proper divisors (1772201155540).

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

1325222532140 is a wasteful number, since it uses less digits than its factorization.

1325222532140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196863 (or 196861 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1325222532140 its reverse (412352225231), we get a palindrome (1737574757371).

It can be divided in two parts, 132522 and 2532140, that added together give a palindrome (2664662).

The spelling of 1325222532140 in words is "one trillion, three hundred twenty-five billion, two hundred twenty-two million, five hundred thirty-two thousand, one hundred forty".