1252303312 has 40 divisors (see below), whose sum is σ = 2633609216. Its totient is φ = 573422976.

The previous prime is 1252303307. The next prime is 1252303331. The reversal of 1252303312 is 2133032521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2713 + ... + 50119.

Almost surely, 2^1252303312 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 1252303312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1316804608).

1252303312 is an abundant number, since it is smaller than the sum of its proper divisors (1381305904).

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

1252303312 is a wasteful number, since it uses less digits than its factorization.

1252303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47555 (or 47549 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1252303312 is about 35387.8978183220. The cubic root of 1252303312 is about 1077.8785837416.

Adding to 1252303312 its reverse (2133032521), we get a palindrome (3385335833).

The spelling of 1252303312 in words is "one billion, two hundred fifty-two million, three hundred three thousand, three hundred twelve".