1212200304 has 80 divisors (see below), whose sum is σ = 3767258880. Its totient is φ = 328112640.

The previous prime is 1212200299. The next prime is 1212200321. The reversal of 1212200304 is 4030022121.

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 15 ways as a sum of consecutive naturals, for example, 88557 + ... + 101324.

It is an arithmetic number, because the mean of its divisors is an integer number (47090736).

Almost surely, 2^1212200304 is an apocalyptic number.

1212200304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1212200304 is an abundant number, since it is smaller than the sum of its proper divisors (2555058576).

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

1212200304 is a wasteful number, since it uses less digits than its factorization.

1212200304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189918 (or 189912 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1212200304 is about 34816.6670432424. The cubic root of 1212200304 is about 1066.2477544256.

Adding to 1212200304 its reverse (4030022121), we get a palindrome (5242222425).

The spelling of 1212200304 in words is "one billion, two hundred twelve million, two hundred thousand, three hundred four".