12675012881 has 4 divisors (see below), whose sum is σ = 13420601892. Its totient is φ = 11929423872.

The previous prime is 12675012869. The next prime is 12675012947. The reversal of 12675012881 is 18821057621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8503790656 + 4171222225 = 92216^2 + 64585^2 .

It is not a de Polignac number, because 12675012881 - 2⁶ = 12675012817 is a prime.

It is a super-2 number, since 2×12675012881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12675212881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372794480 + ... + 372794513.

It is an arithmetic number, because the mean of its divisors is an integer number (3355150473).

Almost surely, 2^12675012881 is an apocalyptic number.

It is an amenable number.

12675012881 is a deficient number, since it is larger than the sum of its proper divisors (745589011).

12675012881 is an equidigital number, since it uses as much as digits as its factorization.

12675012881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745589010.

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 12675012881 in words is "twelve billion, six hundred seventy-five million, twelve thousand, eight hundred eighty-one".