12431285709 has 16 divisors (see below), whose sum is σ = 17579243904. Its totient is φ = 7797240000.

The previous prime is 12431285693. The next prime is 12431285749. The reversal of 12431285709 is 90758213421.

It is not a de Polignac number, because 12431285709 - 2⁴ = 12431285693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431285749) 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, 1472542 + ... + 1480959.

It is an arithmetic number, because the mean of its divisors is an integer number (1098702744).

Almost surely, 2^12431285709 is an apocalyptic number.

It is an amenable number.

12431285709 is a deficient number, since it is larger than the sum of its proper divisors (5147958195).

12431285709 is a wasteful number, since it uses less digits than its factorization.

12431285709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953588.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 12431285709 in words is "twelve billion, four hundred thirty-one million, two hundred eighty-five thousand, seven hundred nine".