12666307098 has 32 divisors (see below), whose sum is σ = 26685829440. Its totient is φ = 3996898560.

The previous prime is 12666307063. The next prime is 12666307099. The reversal of 12666307098 is 89070366621.

It is not an unprimeable number, because it can be changed into a prime (12666307099) 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, 114336 + ... + 195972.

It is an arithmetic number, because the mean of its divisors is an integer number (833932170).

Almost surely, 2^12666307098 is an apocalyptic number.

12666307098 is an abundant number, since it is smaller than the sum of its proper divisors (14019522342).

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

12666307098 is a wasteful number, since it uses less digits than its factorization.

12666307098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83022.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 12666307098 in words is "twelve billion, six hundred sixty-six million, three hundred seven thousand, ninety-eight".