12505853316 has 48 divisors (see below), whose sum is σ = 31993113600. Its totient is φ = 3770601120.

The previous prime is 12505853287. The next prime is 12505853383. The reversal of 12505853316 is 61335850521.

It is a super-2 number, since 2×12505853316² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211776 + ... + 264311.

It is an arithmetic number, because the mean of its divisors is an integer number (666523200).

Almost surely, 2^12505853316 is an apocalyptic number.

It is an amenable number.

12505853316 is an abundant number, since it is smaller than the sum of its proper divisors (19487260284).

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

12505853316 is a wasteful number, since it uses less digits than its factorization.

12505853316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476304 (or 476302 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 12505853316 in words is "twelve billion, five hundred five million, eight hundred fifty-three thousand, three hundred sixteen".