1223020200 has 192 divisors, whose sum is σ = 3943944000. Its totient is φ = 313251840.

The previous prime is 1223020199. The next prime is 1223020217. The reversal of 1223020200 is 20203221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1975491 + ... + 1976109.

It is an arithmetic number, because the mean of its divisors is an integer number (20541375).

Almost surely, 2^1223020200 is an apocalyptic number.

1223020200 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 1223020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1971972000).

1223020200 is an abundant number, since it is smaller than the sum of its proper divisors (2720923800).

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

1223020200 is a wasteful number, since it uses less digits than its factorization.

1223020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1223020200 is about 34971.7057061848. The cubic root of 1223020200 is about 1069.4107449336.

Adding to 1223020200 its reverse (20203221), we get a palindrome (1243223421).

The spelling of 1223020200 in words is "one billion, two hundred twenty-three million, twenty thousand, two hundred".