12111765284 has 12 divisors (see below), whose sum is σ = 21196546224. Its totient is φ = 6055609224.

The previous prime is 12111765283. The next prime is 12111765287. The reversal of 12111765284 is 48256711121.

It is not an unprimeable number, because it can be changed into a prime (12111765283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 56759 + ... + 165665.

It is an arithmetic number, because the mean of its divisors is an integer number (1766378852).

Almost surely, 2^12111765284 is an apocalyptic number.

It is an amenable number.

12111765284 is a deficient number, since it is larger than the sum of its proper divisors (9084780940).

12111765284 is a wasteful number, since it uses less digits than its factorization.

12111765284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136714 (or 136712 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The spelling of 12111765284 in words is "twelve billion, one hundred eleven million, seven hundred sixty-five thousand, two hundred eighty-four".