1223201300 has 18 divisors (see below), whose sum is σ = 2654347038. Its totient is φ = 489280480.

The previous prime is 1223201299. The next prime is 1223201311. The reversal of 1223201300 is 31023221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 97732996 + 1125468304 = 9886^2 + 33548^2 .

It is a congruent number.

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, 6115907 + ... + 6116106.

Almost surely, 2^1223201300 is an apocalyptic number.

1223201300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223201300 is an abundant number, since it is smaller than the sum of its proper divisors (1431145738).

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

1223201300 is a wasteful number, since it uses less digits than its factorization.

1223201300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12232027 (or 12232020 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1223201300 is about 34974.2948463582. The cubic root of 1223201300 is about 1069.4635270347.

Adding to 1223201300 its reverse (31023221), we get a palindrome (1254224521).

The spelling of 1223201300 in words is "one billion, two hundred twenty-three million, two hundred one thousand, three hundred".