12681432371 has 8 divisors (see below), whose sum is σ = 13349912400. Its totient is φ = 12013056000.

The previous prime is 12681432347. The next prime is 12681432373. The reversal of 12681432371 is 17323418621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12681432371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12681432373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442115 + ... + 469923.

It is an arithmetic number, because the mean of its divisors is an integer number (1668739050).

Almost surely, 2^12681432371 is an apocalyptic number.

12681432371 is a deficient number, since it is larger than the sum of its proper divisors (668480029).

12681432371 is a wasteful number, since it uses less digits than its factorization.

12681432371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51829.

The product of its digits is 48384, while the sum is 38.

The spelling of 12681432371 in words is "twelve billion, six hundred eighty-one million, four hundred thirty-two thousand, three hundred seventy-one".