1223213300 has 36 divisors (see below), whose sum is σ = 2679203520. Its totient is φ = 484708320.

The previous prime is 1223213279. The next prime is 1223213333. The reversal of 1223213300 is 33123221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46460 + ... + 67859.

It is an arithmetic number, because the mean of its divisors is an integer number (74422320).

Almost surely, 2^1223213300 is an apocalyptic number.

1223213300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223213300 is an abundant number, since it is smaller than the sum of its proper divisors (1455990220).

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

1223213300 is a wasteful number, since it uses less digits than its factorization.

1223213300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114440 (or 114433 counting only the distinct ones).

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

The square root of 1223213300 is about 34974.4664005042. The cubic root of 1223213300 is about 1069.4670242842.

Adding to 1223213300 its reverse (33123221), we get a palindrome (1256336521).

The spelling of 1223213300 in words is "one billion, two hundred twenty-three million, two hundred thirteen thousand, three hundred".