12666667255710 has 64 divisors (see below), whose sum is σ = 32739595918848. Its totient is φ = 3117840971904.

The previous prime is 12666667255667. The next prime is 12666667255729. The reversal of 12666667255710 is 1755276666621.

It is a happy number.

12666667255710 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 11029279 + ... + 12123461.

It is an arithmetic number, because the mean of its divisors is an integer number (511556186232).

Almost surely, 2^{12666667255710} is an apocalyptic number.

12666667255710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12666667255710 is an abundant number, since it is smaller than the sum of its proper divisors (20072928663138).

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

12666667255710 is a wasteful number, since it uses less digits than its factorization.

12666667255710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123889.

The product of its (nonzero) digits is 38102400, while the sum is 60.

The spelling of 12666667255710 in words is "twelve trillion, six hundred sixty-six billion, six hundred sixty-seven million, two hundred fifty-five thousand, seven hundred ten".