1320103242500 has 120 divisors (see below), whose sum is σ = 3366534864000. Its totient is φ = 452606532000.

The previous prime is 1320103242499. The next prime is 1320103242503. The reversal of 1320103242500 is 52423010231.

It is not an unprimeable number, because it can be changed into a prime (1320103242503) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 87761 + ... + 1627239.

It is an arithmetic number, because the mean of its divisors is an integer number (28054457200).

Almost surely, 2^{1320103242500} is an apocalyptic number.

1320103242500 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 1320103242500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683267432000).

1320103242500 is an abundant number, since it is smaller than the sum of its proper divisors (2046431621500).

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

1320103242500 is an equidigital number, since it uses as much as digits as its factorization.

1320103242500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539524 (or 1539493 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 1320103242500 its reverse (52423010231), we get a palindrome (1372526252731).

The spelling of 1320103242500 in words is "one trillion, three hundred twenty billion, one hundred three million, two hundred forty-two thousand, five hundred".