12134259678 has 16 divisors (see below), whose sum is σ = 24269607936. Its totient is φ = 4044571800.

The previous prime is 12134259671. The next prime is 12134259689. The reversal of 12134259678 is 87695243121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134259671) 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, 211075 + ... + 262337.

It is an arithmetic number, because the mean of its divisors is an integer number (1516850496).

Almost surely, 2^12134259678 is an apocalyptic number.

12134259678 is an abundant number, since it is smaller than the sum of its proper divisors (12135348258).

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

12134259678 is a wasteful number, since it uses less digits than its factorization.

12134259678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90719.

The product of its digits is 725760, while the sum is 48.

The spelling of 12134259678 in words is "twelve billion, one hundred thirty-four million, two hundred fifty-nine thousand, six hundred seventy-eight".