312230510522252 has 288 divisors, whose sum is σ = 704716446551040. Its totient is φ = 120045592719360.

The previous prime is 312230510522149. The next prime is 312230510522339. The reversal of 312230510522252 is 252225015032213.

It is a super-2 number, since 2×312230510522252² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33318799127 + ... + 33318808497.

It is an arithmetic number, because the mean of its divisors is an integer number (2446932106080).

Almost surely, 2^{312230510522252} 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 312230510522252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352358223275520).

312230510522252 is an abundant number, since it is smaller than the sum of its proper divisors (392485936028788).

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

312230510522252 is a wasteful number, since it uses less digits than its factorization.

312230510522252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10901 (or 10892 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 312230510522252 its reverse (252225015032213), we get a palindrome (564455525554465).

The spelling of 312230510522252 in words is "three hundred twelve trillion, two hundred thirty billion, five hundred ten million, five hundred twenty-two thousand, two hundred fifty-two".