1223133200 has 30 divisors (see below), whose sum is σ = 2938578474. Its totient is φ = 489253120.

The previous prime is 1223133193. The next prime is 1223133253. The reversal of 1223133200 is 23313221.

It can be written as a sum of positive squares in 3 ways, for example, as 92416 + 1223040784 = 304^2 + 34972^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1528517 + ... + 1529316.

Almost surely, 2^1223133200 is an apocalyptic number.

1223133200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223133200 is an abundant number, since it is smaller than the sum of its proper divisors (1715445274).

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

1223133200 is a wasteful number, since it uses less digits than its factorization.

1223133200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057851 (or 3057840 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1223133200 is about 34973.3212606409. The cubic root of 1223133200 is about 1069.4436797106.

Adding to 1223133200 its reverse (23313221), we get a palindrome (1246446421).

The spelling of 1223133200 in words is "one billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred".