12231111134 has 8 divisors (see below), whose sum is σ = 20014545528. Its totient is φ = 5559595960.

The previous prime is 12231111107. The next prime is 12231111187. The reversal of 12231111134 is 43111113221.

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

It is a Curzon number.

It is a congruent number.

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, 277979777 + ... + 277979820.

It is an arithmetic number, because the mean of its divisors is an integer number (2501818191).

Almost surely, 2^12231111134 is an apocalyptic number.

12231111134 is a deficient number, since it is larger than the sum of its proper divisors (7783434394).

12231111134 is a wasteful number, since it uses less digits than its factorization.

12231111134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555959610.

The product of its digits is 144, while the sum is 20.

Adding to 12231111134 its reverse (43111113221), we get a palindrome (55342224355).

The spelling of 12231111134 in words is "twelve billion, two hundred thirty-one million, one hundred eleven thousand, one hundred thirty-four".