12645266334 has 16 divisors (see below), whose sum is σ = 25431822720. Its totient is φ = 4191540440.

The previous prime is 12645266329. The next prime is 12645266339. The reversal of 12645266334 is 43366254621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12645266329) and next prime (12645266339).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645266339) 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, 5885922 + ... + 5888069.

It is an arithmetic number, because the mean of its divisors is an integer number (1589488920).

Almost surely, 2^12645266334 is an apocalyptic number.

12645266334 is an abundant number, since it is smaller than the sum of its proper divisors (12786556386).

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

12645266334 is a wasteful number, since it uses less digits than its factorization.

12645266334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11774175.

The product of its digits is 622080, while the sum is 42.

The spelling of 12645266334 in words is "twelve billion, six hundred forty-five million, two hundred sixty-six thousand, three hundred thirty-four".