12182117834 has 16 divisors (see below), whose sum is σ = 18377676576. Its totient is φ = 6056310000.

The previous prime is 12182117821. The next prime is 12182117851. The reversal of 12182117834 is 43871128121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274004 + ... + 315344.

It is an arithmetic number, because the mean of its divisors is an integer number (1148604786).

Almost surely, 2^12182117834 is an apocalyptic number.

12182117834 is a deficient number, since it is larger than the sum of its proper divisors (6195558742).

12182117834 is a wasteful number, since it uses less digits than its factorization.

12182117834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42181.

The product of its digits is 21504, while the sum is 38.

The spelling of 12182117834 in words is "twelve billion, one hundred eighty-two million, one hundred seventeen thousand, eight hundred thirty-four".