1303220012 has 6 divisors (see below), whose sum is σ = 2280635028. Its totient is φ = 651610004.

The previous prime is 1303220011. The next prime is 1303220029. The reversal of 1303220012 is 2100223031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1303220011) by changing a digit.

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 as a sum of consecutive naturals, namely, 162902498 + ... + 162902505.

It is an arithmetic number, because the mean of its divisors is an integer number (380105838).

Almost surely, 2^1303220012 is an apocalyptic number.

It is an amenable number.

1303220012 is a deficient number, since it is larger than the sum of its proper divisors (977415016).

1303220012 is a wasteful number, since it uses less digits than its factorization.

1303220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325805007 (or 325805005 counting only the distinct ones).

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

The square root of 1303220012 is about 36100.1386700938. The cubic root of 1303220012 is about 1092.2932421911.

Adding to 1303220012 its reverse (2100223031), we get a palindrome (3403443043).

The spelling of 1303220012 in words is "one billion, three hundred three million, two hundred twenty thousand, twelve".