12731029735 has 8 divisors (see below), whose sum is σ = 15536172240. Its totient is φ = 10012199424.

The previous prime is 12731029721. The next prime is 12731029741. The reversal of 12731029735 is 53792013721.

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 12731029735 - 2¹³ = 12731021543 is a prime.

It is a super-2 number, since 2×12731029735² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 21577722 + ... + 21578311.

It is an arithmetic number, because the mean of its divisors is an integer number (1942021530).

Almost surely, 2^12731029735 is an apocalyptic number.

12731029735 is a deficient number, since it is larger than the sum of its proper divisors (2805142505).

12731029735 is an equidigital number, since it uses as much as digits as its factorization.

12731029735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43156097.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 12731029735 in words is "twelve billion, seven hundred thirty-one million, twenty-nine thousand, seven hundred thirty-five".