12111134334 has 32 divisors (see below), whose sum is σ = 27219677184. Its totient is φ = 3564480480.

The previous prime is 12111134303. The next prime is 12111134359. The reversal of 12111134334 is 43343111121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3373662 + ... + 3377249.

It is an arithmetic number, because the mean of its divisors is an integer number (850614912).

Almost surely, 2^12111134334 is an apocalyptic number.

12111134334 is an abundant number, since it is smaller than the sum of its proper divisors (15108542850).

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

12111134334 is a wasteful number, since it uses less digits than its factorization.

12111134334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750952.

The product of its digits is 864, while the sum is 24.

Adding to 12111134334 its reverse (43343111121), we get a palindrome (55454245455).

The spelling of 12111134334 in words is "twelve billion, one hundred eleven million, one hundred thirty-four thousand, three hundred thirty-four".