12177845334 has 48 divisors (see below), whose sum is σ = 26607187152. Its totient is φ = 4025217024.

The previous prime is 12177845321. The next prime is 12177845357. The reversal of 12177845334 is 43354877121.

12177845334 is a `hidden beast` number, since 121 + 7 + 78 + 453 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12177845334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2841157 + ... + 2845439.

It is an arithmetic number, because the mean of its divisors is an integer number (554316399).

Almost surely, 2^12177845334 is an apocalyptic number.

12177845334 is an abundant number, since it is smaller than the sum of its proper divisors (14429341818).

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

12177845334 is a wasteful number, since it uses less digits than its factorization.

12177845334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581 (or 5578 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 12177845334 in words is "twelve billion, one hundred seventy-seven million, eight hundred forty-five thousand, three hundred thirty-four".