12147675121 has 8 divisors (see below), whose sum is σ = 12568447080. Its totient is φ = 11727028992.

The previous prime is 12147675103. The next prime is 12147675151. The reversal of 12147675121 is 12157674121.

It can be written as a sum of positive squares in 4 ways, for example, as 8936866225 + 3210808896 = 94535^2 + 56664^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12147675121 - 2¹⁹ = 12147150833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12147675151) 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 7 ways as a sum of consecutive naturals, for example, 191961 + ... + 247273.

It is an arithmetic number, because the mean of its divisors is an integer number (1571055885).

Almost surely, 2^12147675121 is an apocalyptic number.

It is an amenable number.

12147675121 is a deficient number, since it is larger than the sum of its proper divisors (420771959).

12147675121 is an equidigital number, since it uses as much as digits as its factorization.

12147675121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62915.

The product of its digits is 23520, while the sum is 37.

The spelling of 12147675121 in words is "twelve billion, one hundred forty-seven million, six hundred seventy-five thousand, one hundred twenty-one".