12185968334 has 8 divisors (see below), whose sum is σ = 18667866528. Its totient is φ = 5963346160.

The previous prime is 12185968321. The next prime is 12185968337. The reversal of 12185968334 is 43386958121.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12185968337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64818887 + ... + 64819074.

It is an arithmetic number, because the mean of its divisors is an integer number (2333483316).

Almost surely, 2^12185968334 is an apocalyptic number.

12185968334 is a deficient number, since it is larger than the sum of its proper divisors (6481898194).

12185968334 is a wasteful number, since it uses less digits than its factorization.

12185968334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129638010.

The product of its digits is 1244160, while the sum is 50.

The spelling of 12185968334 in words is "twelve billion, one hundred eighty-five million, nine hundred sixty-eight thousand, three hundred thirty-four".