12113628858 has 12 divisors (see below), whose sum is σ = 26246195898. Its totient is φ = 4037876280.

The previous prime is 12113628829. The next prime is 12113628859. The reversal of 12113628858 is 85882631121.

12113628858 is a `hidden beast` number, since 1 + 2 + 1 + 13 + 628 + 8 + 5 + 8 = 666.

12113628858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12094940529 + 18688329 = 109977^2 + 4323^2 .

It is not an unprimeable number, because it can be changed into a prime (12113628859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336489673 + ... + 336489708.

Almost surely, 2^12113628858 is an apocalyptic number.

12113628858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12113628858 is an abundant number, since it is smaller than the sum of its proper divisors (14132567040).

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

12113628858 is a wasteful number, since it uses less digits than its factorization.

12113628858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672979389 (or 672979386 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The spelling of 12113628858 in words is "twelve billion, one hundred thirteen million, six hundred twenty-eight thousand, eight hundred fifty-eight".