1303005012 has 48 divisors (see below), whose sum is σ = 3096360960. Its totient is φ = 426377952.

The previous prime is 1303004981. The next prime is 1303005013. The reversal of 1303005012 is 2105003031.

It is a happy number.

It is a super-2 number, since 2×1303005012² = 3395644122594240288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1303004982 and 1303005000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303005013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244189 + ... + 249467.

It is an arithmetic number, because the mean of its divisors is an integer number (64507520).

Almost surely, 2^1303005012 is an apocalyptic number.

1303005012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1303005012 is an abundant number, since it is smaller than the sum of its proper divisors (1793355948).

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

1303005012 is a wasteful number, since it uses less digits than its factorization.

1303005012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660 (or 5658 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1303005012 is about 36097.1607193696. The cubic root of 1303005012 is about 1092.2331715044.

Adding to 1303005012 its reverse (2105003031), we get a palindrome (3408008043).

The spelling of 1303005012 in words is "one billion, three hundred three million, five thousand, twelve".