1320202213200 has 180 divisors, whose sum is σ = 4933889223900. Its totient is φ = 324972840960.

The previous prime is 1320202213103. The next prime is 1320202213207. The reversal of 1320202213200 is 23122020231.

1320202213200 is a `hidden beast` number, since 1 + 320 + 2 + 0 + 2 + 21 + 320 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 993762576 + 1319208450624 = 31524^2 + 1148568^2 .

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320202213207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14057925 + ... + 14151524.

Almost surely, 2^{1320202213200} is an apocalyptic number.

1320202213200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320202213200 is an abundant number, since it is smaller than the sum of its proper divisors (3613687010700).

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

1320202213200 is a wasteful number, since it uses less digits than its factorization.

1320202213200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28209486 (or 28209472 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1320202213200 its reverse (23122020231), we get a palindrome (1343324233431).

The spelling of 1320202213200 in words is "one trillion, three hundred twenty billion, two hundred two million, two hundred thirteen thousand, two hundred".