12315051322 has 48 divisors (see below), whose sum is σ = 22441985280. Its totient is φ = 5044086432.

The previous prime is 12315051319. The next prime is 12315051337. The reversal of 12315051322 is 22315051321.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5153704 + ... + 5156092.

It is an arithmetic number, because the mean of its divisors is an integer number (467541360).

Almost surely, 2^12315051322 is an apocalyptic number.

12315051322 is a deficient number, since it is larger than the sum of its proper divisors (10126933958).

12315051322 is a wasteful number, since it uses less digits than its factorization.

12315051322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715 (or 4708 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Subtracting 12315051322 from its reverse (22315051321), we obtain a palindrome (9999999999).

The spelling of 12315051322 in words is "twelve billion, three hundred fifteen million, fifty-one thousand, three hundred twenty-two".