12729273999999 has 32 divisors (see below), whose sum is σ = 17125215436800. Its totient is φ = 8409913741152.

The previous prime is 12729273999977. The next prime is 12729274000031. The reversal of 12729273999999 is 99999937292721.

It is not a de Polignac number, because 12729273999999 - 2¹² = 12729273995903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12729973999999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1652504782 + ... + 1652512484.

It is an arithmetic number, because the mean of its divisors is an integer number (535162982400).

Almost surely, 2^{12729273999999} is an apocalyptic number.

12729273999999 is a deficient number, since it is larger than the sum of its proper divisors (4395941436801).

12729273999999 is a wasteful number, since it uses less digits than its factorization.

12729273999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12139.

The product of its digits is 5624771544, while the sum is 87.

The spelling of 12729273999999 in words is "twelve trillion, seven hundred twenty-nine billion, two hundred seventy-three million, nine hundred ninety-nine thousand, nine hundred ninety-nine".