1223311232200 has 96 divisors (see below), whose sum is σ = 2894979218400. Its totient is φ = 480630205440.

The previous prime is 1223311232177. The next prime is 1223311232207. The reversal of 1223311232200 is 22321133221.

It is not an unprimeable number, because it can be changed into a prime (1223311232207) 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, 4518256 + ... + 4781344.

It is an arithmetic number, because the mean of its divisors is an integer number (30156033525).

Almost surely, 2^{1223311232200} is an apocalyptic number.

1223311232200 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 1223311232200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447489609200).

1223311232200 is an abundant number, since it is smaller than the sum of its proper divisors (1671667986200).

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

1223311232200 is a wasteful number, since it uses less digits than its factorization.

1223311232200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263519 (or 263510 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1223311232200 its reverse (22321133221), we get a palindrome (1245632365421).

It can be divided in two parts, 122331 and 1232200, that added together give a palindrome (1354531).

The spelling of 1223311232200 in words is "one trillion, two hundred twenty-three billion, three hundred eleven million, two hundred thirty-two thousand, two hundred".