1322020200000 has 168 divisors, whose sum is σ = 4372028547264. Its totient is φ = 352538560000.

The previous prime is 1322020199987. The next prime is 1322020200001. The reversal of 1322020200000 is 20202231.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1322020200001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 501684 + ... + 1701683.

It is an arithmetic number, because the mean of its divisors is an integer number (26023979448).

Almost surely, 2^{1322020200000} is an apocalyptic number.

1322020200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322020200000 is an abundant number, since it is smaller than the sum of its proper divisors (3050008347264).

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

1322020200000 is an frugal number, since it uses more digits than its factorization.

1322020200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203407 (or 2203377 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 1322020200000 its reverse (20202231), we get a palindrome (1322040402231).

The spelling of 1322020200000 in words is "one trillion, three hundred twenty-two billion, twenty million, two hundred thousand".