12111322342 has 32 divisors (see below), whose sum is σ = 23140615680. Its totient is φ = 4628119680.

The previous prime is 12111322331. The next prime is 12111322351. The reversal of 12111322342 is 24322311121.

12111322342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1334634 + ... + 1343677.

It is an arithmetic number, because the mean of its divisors is an integer number (723144240).

Almost surely, 2^12111322342 is an apocalyptic number.

12111322342 is a deficient number, since it is larger than the sum of its proper divisors (11029293338).

12111322342 is a wasteful number, since it uses less digits than its factorization.

12111322342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678356.

The product of its digits is 576, while the sum is 22.

Adding to 12111322342 its reverse (24322311121), we get a palindrome (36433633463).

The spelling of 12111322342 in words is "twelve billion, one hundred eleven million, three hundred twenty-two thousand, three hundred forty-two".