1323223201200 has 60 divisors (see below), whose sum is σ = 4238724991688. Its totient is φ = 352859520000.

The previous prime is 1323223201193. The next prime is 1323223201217. The reversal of 1323223201200 is 21023223231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

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, 551341801 + ... + 551344200.

Almost surely, 2^{1323223201200} is an apocalyptic number.

1323223201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323223201200 is an abundant number, since it is smaller than the sum of its proper divisors (2915501790488).

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

1323223201200 is a wasteful number, since it uses less digits than its factorization.

1323223201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102686022 (or 1102686011 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1323223201200 its reverse (21023223231), we get a palindrome (1344246424431).

The spelling of 1323223201200 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-three million, two hundred one thousand, two hundred".