12025351879605 has 12 divisors (see below), whose sum is σ = 20843943258060. Its totient is φ = 6413521002432.

The previous prime is 12025351879547. The next prime is 12025351879613. The reversal of 12025351879605 is 50697815352021.

12025351879605 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 53 + 518 + 79 + 6 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2101453230321 + 9923898649284 = 1449639^2 + 3150222^2 .

It is not a de Polignac number, because 12025351879605 - 2¹³ = 12025351871413 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133615020840 + ... + 133615020929.

It is an arithmetic number, because the mean of its divisors is an integer number (1736995271505).

Almost surely, 2^{12025351879605} is an apocalyptic number.

12025351879605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12025351879605 is a deficient number, since it is larger than the sum of its proper divisors (8818591378455).

12025351879605 is a wasteful number, since it uses less digits than its factorization.

12025351879605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267230041780 (or 267230041777 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 12025351879605 in words is "twelve trillion, twenty-five billion, three hundred fifty-one million, eight hundred seventy-nine thousand, six hundred five".