12326635134 has 128 divisors (see below), whose sum is σ = 31248322560. Its totient is φ = 3565346400.

The previous prime is 12326635133. The next prime is 12326635141. The reversal of 12326635134 is 43153662321.

12326635134 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 6 + 635 + 13 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12326635133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11297929 + ... + 11299019.

It is an arithmetic number, because the mean of its divisors is an integer number (244127520).

Almost surely, 2^12326635134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12326635134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15624161280).

12326635134 is an abundant number, since it is smaller than the sum of its proper divisors (18921687426).

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

12326635134 is a wasteful number, since it uses less digits than its factorization.

12326635134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963 (or 1957 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

It can be divided in two parts, 1232 and 6635134, that added together give a palindrome (6636366).

The spelling of 12326635134 in words is "twelve billion, three hundred twenty-six million, six hundred thirty-five thousand, one hundred thirty-four".