1322043232400 has 120 divisors (see below), whose sum is σ = 3467143219584. Its totient is φ = 480439411200.

The previous prime is 1322043232399. The next prime is 1322043232417. The reversal of 1322043232400 is 42323402231.

It is a self number, because there is not a number n which added to its sum of digits gives 1322043232400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6932729 + ... + 7120871.

Almost surely, 2^{1322043232400} is an apocalyptic number.

1322043232400 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 1322043232400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733571609792).

1322043232400 is an abundant number, since it is smaller than the sum of its proper divisors (2145099987184).

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

1322043232400 is a wasteful number, since it uses less digits than its factorization.

1322043232400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189769 (or 189758 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 1322043232400 its reverse (42323402231), we get a palindrome (1364366634631).

The spelling of 1322043232400 in words is "one trillion, three hundred twenty-two billion, forty-three million, two hundred thirty-two thousand, four hundred".