12725920329 has 16 divisors (see below), whose sum is σ = 17527856640. Its totient is φ = 8204359680.

The previous prime is 12725920327. The next prime is 12725920349. The reversal of 12725920329 is 92302952721.

It is a happy number.

It is not a de Polignac number, because 12725920329 - 2¹ = 12725920327 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12725920327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82479 + ... + 179595.

It is an arithmetic number, because the mean of its divisors is an integer number (1095491040).

Almost surely, 2^12725920329 is an apocalyptic number.

It is an amenable number.

12725920329 is a deficient number, since it is larger than the sum of its proper divisors (4801936311).

12725920329 is a wasteful number, since it uses less digits than its factorization.

12725920329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98560.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 12725920329 in words is "twelve billion, seven hundred twenty-five million, nine hundred twenty thousand, three hundred twenty-nine".