1205312224 has 24 divisors (see below), whose sum is σ = 2375781408. Its totient is φ = 601939200.

The previous prime is 1205312191. The next prime is 1205312233. The reversal of 1205312224 is 4222135021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1205312195 and 1205312204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5449 + ... + 49399.

It is an arithmetic number, because the mean of its divisors is an integer number (98990892).

Almost surely, 2^1205312224 is an apocalyptic number.

It is an amenable number.

1205312224 is a deficient number, since it is larger than the sum of its proper divisors (1170469184).

1205312224 is an equidigital number, since it uses as much as digits as its factorization.

1205312224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44818 (or 44810 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1205312224 is about 34717.6068299645. The cubic root of 1205312224 is about 1064.2243388494.

Adding to 1205312224 its reverse (4222135021), we get a palindrome (5427447245).

The spelling of 1205312224 in words is "one billion, two hundred five million, three hundred twelve thousand, two hundred twenty-four".