12046645134 has 80 divisors (see below), whose sum is σ = 28090275840. Its totient is φ = 3855554640.

The previous prime is 12046645103. The next prime is 12046645223. The reversal of 12046645134 is 43154664021.

12046645134 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 6 + 645 + 1 + 3 + 4 = 666.

12046645134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 396339 + ... + 425649.

It is an arithmetic number, because the mean of its divisors is an integer number (351128448).

Almost surely, 2^12046645134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12046645134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14045137920).

12046645134 is an abundant number, since it is smaller than the sum of its proper divisors (16043630706).

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

12046645134 is a wasteful number, since it uses less digits than its factorization.

12046645134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29427 (or 29418 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

It can be divided in two parts, 120466 and 45134, that added together give a triangular number (165600 = T₅₇₅).

The spelling of 12046645134 in words is "twelve billion, forty-six million, six hundred forty-five thousand, one hundred thirty-four".