1303012312 has 48 divisors (see below), whose sum is σ = 2870255520. Its totient is φ = 552888000.

The previous prime is 1303012247. The next prime is 1303012327. The reversal of 1303012312 is 2132103031.

It is a congruent number.

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, 23137 + ... + 56047.

It is an arithmetic number, because the mean of its divisors is an integer number (59796990).

Almost surely, 2^1303012312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303012312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435127760).

1303012312 is an abundant number, since it is smaller than the sum of its proper divisors (1567243208).

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

1303012312 is a wasteful number, since it uses less digits than its factorization.

1303012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33032 (or 33021 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1303012312 is about 36097.2618352140. The cubic root of 1303012312 is about 1092.2352112222.

Adding to 1303012312 its reverse (2132103031), we get a palindrome (3435115343).

The spelling of 1303012312 in words is "one billion, three hundred three million, twelve thousand, three hundred twelve".