12727337042121 has 32 divisors (see below), whose sum is σ = 18620743300992. Its totient is φ = 7684108623360.

The previous prime is 12727337042117. The next prime is 12727337042143. The reversal of 12727337042121 is 12124073372721.

It is not a de Polignac number, because 12727337042121 - 2² = 12727337042117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12727337047121) 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 31 ways as a sum of consecutive naturals, for example, 55038381 + ... + 55269141.

It is an arithmetic number, because the mean of its divisors is an integer number (581898228156).

Almost surely, 2^{12727337042121} is an apocalyptic number.

It is an amenable number.

12727337042121 is a deficient number, since it is larger than the sum of its proper divisors (5893406258871).

12727337042121 is a wasteful number, since it uses less digits than its factorization.

12727337042121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257513.

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 12727337042121 in words is "twelve trillion, seven hundred twenty-seven billion, three hundred thirty-seven million, forty-two thousand, one hundred twenty-one".