12046734558 has 20 divisors (see below), whose sum is σ = 26993609280. Its totient is φ = 4015578132.

The previous prime is 12046734551. The next prime is 12046734593. The reversal of 12046734558 is 85543764021.

12046734558 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 67 + 34 + 558 = 666.

12046734558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12046734558² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12046734551) 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 9 ways as a sum of consecutive naturals, for example, 37181118 + ... + 37181441.

It is an arithmetic number, because the mean of its divisors is an integer number (1349680464).

Almost surely, 2^12046734558 is an apocalyptic number.

12046734558 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12046734558 is an abundant number, since it is smaller than the sum of its proper divisors (14946874722).

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

12046734558 is an equidigital number, since it uses as much as digits as its factorization.

12046734558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74362573 (or 74362564 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 12046734558 in words is "twelve billion, forty-six million, seven hundred thirty-four thousand, five hundred fifty-eight".