1200301220 has 12 divisors (see below), whose sum is σ = 2520632604. Its totient is φ = 480120480.

The previous prime is 1200301217. The next prime is 1200301241. The reversal of 1200301220 is 221030021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 510398464 + 689902756 = 22592^2 + 26266^2 .

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 3 ways as a sum of consecutive naturals, for example, 30007511 + ... + 30007550.

It is an arithmetic number, because the mean of its divisors is an integer number (210052717).

Almost surely, 2^1200301220 is an apocalyptic number.

1200301220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200301220 is an abundant number, since it is smaller than the sum of its proper divisors (1320331384).

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

1200301220 is a wasteful number, since it uses less digits than its factorization.

1200301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60015070 (or 60015068 counting only the distinct ones).

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

The square root of 1200301220 is about 34645.3636147754. The cubic root of 1200301220 is about 1062.7474767479.

Adding to 1200301220 its reverse (221030021), we get a palindrome (1421331241).

The spelling of 1200301220 in words is "one billion, two hundred million, three hundred one thousand, two hundred twenty".