12675841781892 has 144 divisors (see below), whose sum is σ = 33471247837440. Its totient is φ = 3722040488448.

The previous prime is 12675841781881. The next prime is 12675841781927. The reversal of 12675841781892 is 29818714857621.

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, 4310163 + ... + 6627909.

Almost surely, 2^{12675841781892} is an apocalyptic number.

12675841781892 is a gapful number since it is divisible by the number (12) 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 12675841781892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16735623918720).

12675841781892 is an abundant number, since it is smaller than the sum of its proper divisors (20795406055548).

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

12675841781892 is a wasteful number, since it uses less digits than its factorization.

12675841781892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317890 (or 2317871 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 69.

The spelling of 12675841781892 in words is "twelve trillion, six hundred seventy-five billion, eight hundred forty-one million, seven hundred eighty-one thousand, eight hundred ninety-two".