1220301200 has 60 divisors (see below), whose sum is σ = 2935297620. Its totient is φ = 487534080.

The previous prime is 1220301193. The next prime is 1220301221. The reversal of 1220301200 is 21030221.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 51208336 + 1169092864 = 7156^2 + 34192^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509606 + ... + 511994.

It is an arithmetic number, because the mean of its divisors is an integer number (48921627).

Almost surely, 2^1220301200 is an apocalyptic number.

1220301200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220301200 is an abundant number, since it is smaller than the sum of its proper divisors (1714996420).

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

1220301200 is a wasteful number, since it uses less digits than its factorization.

1220301200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684 (or 3673 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1220301200 is about 34932.8097925145. The cubic root of 1220301200 is about 1068.6176576550.

Adding to 1220301200 its reverse (21030221), we get a palindrome (1241331421).

The spelling of 1220301200 in words is "one billion, two hundred twenty million, three hundred one thousand, two hundred".