12812857848 has 192 divisors, whose sum is σ = 42394060800. Its totient is φ = 3416117760.

The previous prime is 12812857829. The next prime is 12812857867. The reversal of 12812857848 is 84875821821.

It is a happy number.

12812857848 is a `hidden beast` number, since 1 + 2 + 8 + 1 + 28 + 578 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (12812857829) and next prime (12812857867).

It is a super-2 number, since 2×12812857848² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12812857794 and 12812857803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 461793 + ... + 488751.

It is an arithmetic number, because the mean of its divisors is an integer number (220802400).

Almost surely, 2^12812857848 is an apocalyptic number.

12812857848 is a gapful number since it is divisible by the number (18) 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 12812857848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21197030400).

12812857848 is an abundant number, since it is smaller than the sum of its proper divisors (29581202952).

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

12812857848 is a wasteful number, since it uses less digits than its factorization.

12812857848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27042 (or 27035 counting only the distinct ones).

The product of its digits is 2293760, while the sum is 54.

The spelling of 12812857848 in words is "twelve billion, eight hundred twelve million, eight hundred fifty-seven thousand, eight hundred forty-eight".