252245316312 has 96 divisors (see below), whose sum is σ = 746207214480. Its totient is φ = 76341876480.

The previous prime is 252245316307. The next prime is 252245316317. The reversal of 252245316312 is 213613542252.

252245316312 is a `hidden beast` number, since 2 + 5 + 2 + 24 + 5 + 316 + 312 = 666.

It is an interprime number because it is at equal distance from previous prime (252245316307) and next prime (252245316317).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252245316317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431418 + ... + 831030.

Almost surely, 2^252245316312 is an apocalyptic number.

252245316312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252245316312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373103607240).

252245316312 is an abundant number, since it is smaller than the sum of its proper divisors (493961898168).

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

252245316312 is a wasteful number, since it uses less digits than its factorization.

252245316312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400433 (or 400426 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 252245316312 its reverse (213613542252), we get a palindrome (465858858564).

The spelling of 252245316312 in words is "two hundred fifty-two billion, two hundred forty-five million, three hundred sixteen thousand, three hundred twelve".