12456688889010 has 64 divisors (see below), whose sum is σ = 30299124902400. Its totient is φ = 3277066420992.

The previous prime is 12456688888999. The next prime is 12456688889033. The reversal of 12456688889010 is 1098888665421.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 774412 + ... + 5051048.

It is an arithmetic number, because the mean of its divisors is an integer number (473423826600).

Almost surely, 2^{12456688889010} is an apocalyptic number.

12456688889010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12456688889010 is an abundant number, since it is smaller than the sum of its proper divisors (17842436013390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12456688889010 is a wasteful number, since it uses less digits than its factorization.

12456688889010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277955.

The product of its (nonzero) digits is 53084160, while the sum is 66.

The spelling of 12456688889010 in words is "twelve trillion, four hundred fifty-six billion, six hundred eighty-eight million, eight hundred eighty-nine thousand, ten".