12180231746 has 8 divisors (see below), whose sum is σ = 18270852240. Its totient is φ = 6089947668.

The previous prime is 12180231691. The next prime is 12180231769. The reversal of 12180231746 is 64713208121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47765 + ... + 163223.

It is an arithmetic number, because the mean of its divisors is an integer number (2283856530).

Almost surely, 2^12180231746 is an apocalyptic number.

12180231746 is a deficient number, since it is larger than the sum of its proper divisors (6090620494).

12180231746 is a wasteful number, since it uses less digits than its factorization.

12180231746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168208.

The product of its (nonzero) digits is 16128, while the sum is 35.

Adding to 12180231746 its reverse (64713208121), we get a palindrome (76893439867).

The spelling of 12180231746 in words is "twelve billion, one hundred eighty million, two hundred thirty-one thousand, seven hundred forty-six".