1321425045200 has 60 divisors (see below), whose sum is σ = 3418933197708. Its totient is φ = 487910784000.

The previous prime is 1321425045179. The next prime is 1321425045203. The reversal of 1321425045200 is 25405241231.

It can be written as a sum of positive squares in 6 ways, for example, as 542809403536 + 778615641664 = 736756^2 + 882392^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321425045203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127054901 + ... + 127065300.

Almost surely, 2^{1321425045200} is an apocalyptic number.

1321425045200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321425045200 is an abundant number, since it is smaller than the sum of its proper divisors (2097508152508).

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

1321425045200 is a wasteful number, since it uses less digits than its factorization.

1321425045200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254120232 (or 254120221 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 1321425045200 in words is "one trillion, three hundred twenty-one billion, four hundred twenty-five million, forty-five thousand, two hundred".