12081125271668 has 12 divisors (see below), whose sum is σ = 21141995737632. Its totient is φ = 6040555060920.

The previous prime is 12081125271569. The next prime is 12081125271673. The reversal of 12081125271668 is 86617252118021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3242783 + ... + 5888793.

It is an arithmetic number, because the mean of its divisors is an integer number (1761832978136).

Almost surely, 2^{12081125271668} is an apocalyptic number.

It is an amenable number.

12081125271668 is a deficient number, since it is larger than the sum of its proper divisors (9060870465964).

12081125271668 is a wasteful number, since it uses less digits than its factorization.

12081125271668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787462 (or 3787460 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 50.

Adding to 12081125271668 its reverse (86617252118021), we get a palindrome (98698377389689).

The spelling of 12081125271668 in words is "twelve trillion, eighty-one billion, one hundred twenty-five million, two hundred seventy-one thousand, six hundred sixty-eight".