1324220045200 has 60 divisors (see below), whose sum is σ = 3426164722708. Its totient is φ = 488942784000.

The previous prime is 1324220045189. The next prime is 1324220045221. The reversal of 1324220045200 is 25400224231.

It can be written as a sum of positive squares in 6 ways, for example, as 60628227984 + 1263591817216 = 246228^2 + 1124096^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127323651 + ... + 127334050.

Almost surely, 2^{1324220045200} is an apocalyptic number.

1324220045200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324220045200 is an abundant number, since it is smaller than the sum of its proper divisors (2101944677508).

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

1324220045200 is a wasteful number, since it uses less digits than its factorization.

1324220045200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254657732 (or 254657721 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 1324220045200 its reverse (25400224231), we get a palindrome (1349620269431).

The spelling of 1324220045200 in words is "one trillion, three hundred twenty-four billion, two hundred twenty million, forty-five thousand, two hundred".