12081412688 has 10 divisors (see below), whose sum is σ = 23407737114. Its totient is φ = 6040706336.

The previous prime is 12081412669. The next prime is 12081412691. The reversal of 12081412688 is 88621418021.

It can be written as a sum of positive squares in only one way, i.e., 12049013824 + 32398864 = 109768^2 + 5692^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377544131 + ... + 377544162.

Almost surely, 2^12081412688 is an apocalyptic number.

It is an amenable number.

12081412688 is a deficient number, since it is larger than the sum of its proper divisors (11326324426).

12081412688 is an equidigital number, since it uses as much as digits as its factorization.

12081412688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755088301 (or 755088295 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 41.

The spelling of 12081412688 in words is "twelve billion, eighty-one million, four hundred twelve thousand, six hundred eighty-eight".